Ta'elavame'a 'a e pamu vaitupu mo e ngaahi fakatu'utamaki 'o e 'uli 'o e vaitupu fakafo'ituitui¶

Laka hake he kakai ‘e toko 43 miliona ‘i he ‘Iunaite Seteté, laka hake he toko 4 miliona ‘i Kānata, mo e laui teau miliona ‘o e kau ma‘u ‘api ‘i he tukui koló ‘i māmani lahi ‘oku nau fakafalala ki ha vaitupu ‘i lalofonua nofo‘anga fakafo‘ituitui ki he inu, tunu me‘akai, kaukau, mo e fakama‘a. ‘Oku ‘ikai ke hangē ko e kau kasitoma ‘o e ngaahi kautaha vai ‘a e kolomu‘á ‘a ia ko ‘enau mīsini vai mo hono fakama‘á ‘oku tauhi ia ‘e he ngaahi fale fakama‘a vai ‘i he koló, ‘oku fakalele ‘e he kau ma‘u vaitupu taautahá ‘enau ngaahi kautaha vai si‘isi‘í. Ko e taimi 'oku mole fakafokifā ai ha sisitemi vaitupu 'a e 'omi kotoa 'o e vai, siakale vave 'i he mo e mate, pamu 'a e vai pelepela pe namu kovi hili ha tafea, pe mamahi'ia 'i ha 'uhila pe 'aisi-hake, 'oku motuhi leva ho 'api mei he vai 'oku tafe pe 'oku 'asi ki he waterborne pathogens mo e agrimical.

Roughly half of all sudden "no water" emergencies on a private well are not caused by a dead pump deep underground, but by an inexpensive, accessible component inside your basement, crawl space, or wellhouse: a tripped 240-volt double-pole circuit breaker, burnt or ant-fouled contacts inside the pressure switch, a failed starting capacitor inside the pump control box, or a ruptured rubber bladder inside the pressure tank. Understanding how to safely diagnose the electrical and hydraulic components above ground, protect a rapidly short-cycling submersible motor from burning out, and perform a full shock-chlorination disinfection after floodwaters submerge your wellhead can save you thousands of dollars and protect your family from severe illness.

Fai ʻeni he taimí ni .¶

1. Shut off the well pump circuit breaker immediately if the pump is running non-stop or clicking rapidly on and off. Walk to your pressure tank and listen closely. If you hear the pressure switch clicking every few seconds (short-cycling) or hear the pump running continuously without building pressure on the gauge, switch the double-pole well pump breaker OFF at your main electrical panel immediately. Leaving a pump short-cycling or running dry in a low-yield well or behind a broken underground pipe will melt the pump impellers and burn out a 2,500-dollar submersible motor in minutes.
2. Switch immediately to safe bottled or boiled water if floodwaters reached your wellhead or the tap water turns cloudy, muddy, or odorous. If river or surface floodwater came within 15 meters (50 feet) of your well casing, or if your tap water suddenly changes color, turbidity, taste, or smell after heavy rain or a nearby septic system failure, stop drinking the water immediately. Follow our water safety and boil notices guide by bringing clear tap water to a rolling boil for 1 full minute (or 3 minutes above 2,000 meters / 6,500 feet elevation) for microbes, or use bottled water exclusively if you suspect fuel oil, pesticide, or nitrate contamination (boiling concentrates nitrates and chemicals rather than removing them).
3. Turn off the power or fuel supply to your electric or gas hot water heater if your pipes lose water pressure. If your house loses water pressure completely and water drains backward down the supply line, the upper electric heating element inside an electric water heater can become exposed to air and burn out like a dry toaster filament in seconds (dry-firing). Turn off the 240-volt circuit breaker labeled "Water Heater" (or turn a gas water heater control dial to the "Pilot" or "Vacation" setting) until well water pressure is fully restored and air is purged from the hot water taps.
4. Read the water pressure gauge on your pressure tank tee before touching any switches. Look at the round dial gauge mounted next to the pressure switch at the base of your pressure tank. In a standard residential system set to 30/50 psi (2.⅓.4 bar) or 40/60 psi (2.8/4.1 bar), a gauge reading 0 psi tells you the pump is not turning on or a pipe has burst between the pump and tank, whereas a gauge stuck at 40 to 60 psi while no water comes out of your indoor faucets points to a clogged whole-house sediment filter, a frozen supply pipe, or a jammed water softener bypass valve downstream of the tank.
5. Inspect the double-pole breaker, GFCI, and low-water cut-off lever. Check your main electrical breaker panel to see if the two-pole well pump breaker has tripped to the center position; if tripped, flip it fully OFF and back ON once (if it trips again immediately, leave it off because there is a dead short in the motor or underground wiring). Next, look at the side of your pressure switch on the tank tee: if it has a small metal lever sticking out of the side (a low-pressure cut-off switch), a sudden pressure drop below 20 psi (1.4 bar) during heavy garden hose use will trip the switch off automatically; hold that little metal lever upward at a 45-degree angle until the tank pressure climbs past 20 psi and the pump stays running on its own.
6. Preserve emergency water sitting inside your pressure tank and water heater. Even after the well pump stops working, a functioning pressure tank still holds 15 to 45 liters (4 to 12 gallons) of clean pressurized water, and a standard residential hot water heater holds 150 to 300 liters (40 to 80 gallons) of potable water that can be drained safely from the bottom brass drain valve after shutting off the water heater breaker and opening an upstairs hot faucet to break the vacuum.

Well system emergency diagnostic flowchart¶

Use this step-by-step mechanical and electrical flowchart to isolate the exact cause of a sudden private well outage or pressure failure before calling a well driller or pump technician.

flowchart TD
    Start["Private Well Emergency:<br/>No Water, Low Pressure, Rapid Clicking, or Bad Water"] --> SymptomType{"What is the primary symptom?"}

    SymptomType -->|"Zero water at taps<br/>Gauge reads 0 psi"| PowerCheck{"Check 240V Well Breaker<br/>and Low-Pressure Cut-Off Lever"}
    SymptomType -->|"Zero or trickle water at taps<br/>Gauge reads normal 40 to 60 psi"| DownstreamBlock["Blockage Downstream of Tank:<br/>Check clogged sediment filter cartridge,<br/>frozen pipe, or stuck water softener valve"]
    SymptomType -->|"Pump clicks ON/OFF<br/>every 2 to 10 seconds"| ShortCycle["Waterlogged Pressure Tank:<br/>Turn off breaker immediately<br/>Test Schrader valve at top of tank for water"]
    SymptomType -->|"Floodwater reached wellhead<br/>or water is muddy/smelly"| FloodContam["Contaminated Well:<br/>Switch to bottled water immediately<br/>Shock-chlorinate and lab test before drinking"]

    PowerCheck -->|"Breaker trips instantly<br/>when reset"| DeadShort["Shorted Submersible Motor or Wire:<br/>Leave breaker OFF<br/>Call licensed well pump specialist"]
    PowerCheck -->|"Breaker holds ON,<br/>still 0 psi"| SwitchInspect["Turn Breaker OFF, Remove Pressure Switch Cover:<br/>Check for burnt pitted contacts, ants/earwigs,<br/>or plugged 1/4-inch nipple tube under switch"]

    SwitchInspect -->|"Contacts clean and closed,<br/>240V present on load wires"| ControlBoxCheck{"Does system have a<br/>wall-mounted Control Box<br/>(3-wire pump)?"}
    ControlBoxCheck -->|"Yes, 3-wire system"| CapacitorRelay["Test or Replace Start Capacitor<br/>and Start Relay inside Control Box"]
    ControlBoxCheck -->|"No (2-wire pump) or<br/>Control Box is good"| UndergroundFault["Pump, Check Valve, or Drop Pipe Failure:<br/>Broken pipe in well, dry aquifer,<br/>or seized submersible pump"]

Anatomy of a residential private well system¶

To troubleshoot a well emergency accurately, you first need to know which type of pump system serves your property and how water travels from the aquifer to your faucets.

1. Submersible well pump systems (Deep wells: 8 to 150+ meters / 25 to 500+ feet)¶

Most modern drilled wells with a 10- to 15-centimeter (4- to 6-inch) steel or PVC casing use a cylindrical stainless-steel submersible pump suspended near the bottom of the well shaft on polyethylene or threaded steel drop pipe, submerged permanently beneath the water table:

• Founga 'oku ne hiki ai 'a e vai: Ko e pamu submersible 'oku ne teke 'a e vai ki 'olunga kae 'ikai ko 'ene mimisi ia. Ko e palasa check valve 'i he tumu'aki 'o e pamu 'oku ne ta'ofi 'a e vai 'i he paipa 'o e drop vertical mei he'ene tafe ki mui ki he vaitupu 'i he taimi 'oku tu'u ai 'a e pamu.
• Ko e adapter pitless: Fakafuofua ki he mita 'e 1.2 ki he 2.4 (fute 'e 4 ki he 8) 'i lalo 'i he tumu'aki 'o e 'ulu 'o e vaitupu (malu 'i lalo 'i he laine 'o e 'uha momoko fakalotofonua 'o e fa'ahita'u momoko), ko ha palasa 'o e slide-fakataha 'oku ui ko ha adapter pitless liliu 'a e tafe 'a e vai 90 tikili sizeng 'o fakafou 'i he pidepe 'o fakafou 'i he . basement pe totolo 'a e feitu'u, tauhi 'a e casing 'o e vaitupu 'i 'olunga ke momoko ke 'oua na'a lava ke 'aisi.
• 2-uaea versus 3-uaea submersible pamu: 'I he ta'etokanga'i 'a e uaea kelekele lanumata 'ata'ata, ko ha 2-uaea pamu 'oku 'i ai hono kamata'anga 'o e switch 'oku langa hangatonu 'i loto 'i he misini submerged ki lalo 'i he lalo vaitupu (ko ia 'oku 'ikai ha puha pule 'i ho'o 'ā 'o e basement). Ko ha 3-uaea pamu 'oku ne fokotu'u 'a e capacitor kamata mo e kamata 'o e relay 'i loto 'i ha ukamea puha pule'i 'o e pamu 'oku fokotu'u 'i he puipui 'i he tafa'aki tonu 'o ho'o tangike 'i loto 'o e 'omi, 'o 'ai ke faingofua 'a e ngaahi fakalelei 'o e 'uhila 'o 'ikai ke toho 'a e pamu mei he kelekele.

2. Pamu jet loloto-vai mo e convertible loloto-vai (Pamu 'i 'olunga-kelekele)¶

Ko e ngaahi ʻapi motuʻa angé, ngaahi fale nofoʻangá, mo e ngaahi koloa ʻoku maʻolunga ʻa e ngaahi tēpile vaí ʻoku faʻa ʻi ai ha mīsini ʻuhila mo ha pamu ukamea ʻoku fakapipiki hangatonu ki he faliki ʻo e loki ʻi laló, feituʻu totolo, pe fale pamu ʻi tuʻá:

• Shallow-well jet pump (Depth to water less than 7.5 meters / 25 feet): Uses a single suction pipe running from the pump housing into the well. Because atmospheric pressure at sea level can only lift a column of water about 7.6 meters (25 feet) by suction, a shallow-well jet pump relies on an internal venturi nozzle and impeller that must remain completely filled with water (primed) to create suction. If a brass foot valve at the bottom of the well pipe leaks even slightly, the water drains out of the suction pipe overnight, the pump fills with air (loses its prime), and the motor spins uselessly without pumping a drop.
• Deep-well (two-pipe) jet pump (Depth to water 7.5 to 35 meters / 25 to 110 feet): Uses two parallel pipes running between the above-ground pump and the well. One smaller pipe pushes high-pressure driving water down into a submerged jet assembly in the well, which forces a larger volume of well water up the second suction pipe.

3. The pressure tank, bladder, and pressure switch (The heart and brain above ground)¶

Because water is physically incompressible, turning on a faucet if your plumbing were connected straight to the well pump would force the heavy pump motor to slam on and off every time you rinsed a toothbrush. Instead, the pump fills a steel or fiberglass pressure tank:

• Pre-charged bladder or diaphragm tank: Inside modern tanks, a heavy-duty butyl rubber bladder or diaphragm separates the tank into two halves: compressed air at the top (inflated through a bicycle-style Schrader air valve on top of the tank) and well water at the bottom. As the pump forces water into the tank, the air cushion compresses until the pressure reaches the cut-out setting (typically 50 psi / 3.4 bar or 60 psi / 4.1 bar), at which point the pressure switch snaps open and turns the pump off.
• Drawdown cycle: When you open a kitchen faucet or flush a toilet, the compressed air cushion pushes 20 to 60 liters (5 to 15 gallons) of stored water out to your fixtures without the well pump even turning on. Only when the tank pressure drops down to the cut-in setting (30 psi / 2.1 bar or 40 psi / 2.8 bar) does the pressure switch snap closed to restart the pump.

Diagnosing and fixing the 6 most common well pump failures¶

Use the comparison matrix below to match what you see, hear, and read on the pressure gauge to the exact mechanical or electrical fault, followed by step-by-step safe troubleshooting instructions.

Step-by-step fix 1: Inspecting and cleaning a fouled pressure switch¶

The small grey square box (typically a Square D Pumptrol switch) mounted on a 6-millimeter (¼-inch) brass or galvanized pipe nipple at the bottom of your pressure tank controls all electrical power to your well pump. It fails in three common ways that any cautious homeowner can check:

1. Tapuni 'a e 240-volt 'o e pou 'e ua 'o e breaker 'i ho'o panel 'uhila tefito pea fakamo'oni'i 'aki ha me'a sivi voliume 'ikai fetu'utaki pe multimeter 'oku mate 'aupito 'a e malohi.
2. Unscrew the single brass nut on top of the grey plastic cover and lift the cover off to expose the four screw terminals and two spring-loaded contact bridges.
3. Check for "fire ants, earwigs, and carbon pitting": Warm electrical fields and vibrations attract ants, earwigs, and small spiders that crawl right between the open copper contact points. When the switch snaps shut, the crushed insect bodies act as an electrical insulator, blocking the 240-volt current from reaching your pump. Even without insects, years of electrical arcing leave black carbon soot or melted metal pits on the four contact pads.
4. Ma'a 'a e ngaahi fetu'utaki malu: 'I he breaker OFF, faka'uli ha kaati pisinisi ma'a, ha pa'anga 'o e pa'anga 'oku 'ikai ke 'i ai ha 'uhinga, pe ko ha fo'i pepa emery lelei 400-grit 'i he vaha'a 'o e ngaahi feitu'u fetu'utaki 'oku tapuni pea toho ia ki mui mo e 'alu ki mui 'i ha ngaahi taimi lahi ke to'o 'a e fanga ki'i 'inisēkite mate pe 'uli'uli kaponi faile usepl ( 'aloi 'o e 'aloi).
5. Check the plugged pipe nipple: If the contacts are clean and closed when the tank is at 0 psi, sometimes rust and mineral sludge completely plug the narrow 6-millimeter (¼-inch) vertical pipe nipple underneath the pressure switch, blinding the switch diaphragm so it cannot sense when water pressure drops or rises. A plumber or homeowner can drain the tank, unscrew the switch, and clear or replace that short brass pipe nipple.

Step-by-step fix 2: Testing and temporarily rescuing a waterlogged pressure tank¶

When your well pump kicks on and off every 3 seconds (short-cycling) the moment someone turns on a bathroom sink, your pressure tank has lost its compressible air cushion (waterlogged). Because water cannot be compressed, drawing a single cup of water drops the system pressure from 50 psi to 30 psi instantly, starting the pump, which then slams the pressure back to 50 psi in 2 seconds and shuts off. Submersible pump motors rely on 60 to 120 seconds of off-time between cycles to let cooling water dissipate startup heat from the motor windings; short-cycling will destroy the pump motor within hours or days.

1. The "Knock and Shake" test: Push gently against the side of your pressure tank or tap down its side from top to bottom. A healthy pressure tank feels hollow and light in the top two-thirds and heavy only at the bottom. A waterlogged tank feels solid, heavy as lead, and filled with water all the way to the very top dome.
2. The Schrader air valve test: Unscrew the little black plastic cap on top of the pressure tank (it looks identical to the tire valve stem on a car wheel) and depress the center brass pin for half a second with the back of a pen or a fingernail:
3. If water spurts or sprays out of the air valve: The internal butyl rubber bladder has torn or ruptured completely. The tank must be replaced.
4. If air hisses out (or nothing comes out, no water): The rubber bladder may still be intact, or slowly leaking air over years, and simply needs its air pre-charge restored.
5. How to properly check and re-inflate the tank air pre-charge (The 2-PSI Rule):
6. You can NEVER measure or add air to a pressure tank while there is water pressure inside the system (doing so only reads the water pressure).
7. Step A: Turn OFF the well pump circuit breaker.
8. Step B: Open a nearby faucet or the boiler drain valve at the base of the tank and let all water drain out until the water stops flowing and the pressure gauge reads 0 psi.
9. Step C: Place a digital tire pressure gauge on the top Schrader air valve. The empty-tank air pre-charge must be set exactly 2 psi (0.14 bar) BELOW the pressure switch cut-in setting:
   • For a 30/50 psi pressure switch, inflate the empty tank to 28 psi (1.93 bar).
   • For a 40/60 psi pressure switch, inflate the empty tank to 38 psi (2.62 bar).
10. Step D: Use a bicycle pump or portable tire inflator to bring the empty tank up to 28 psi (or 38 psi), close the drain valve, and flip the well pump breaker back ON.
11. Emergency temporary air injection if the bladder is ruptured and you must wait days for a plumber: If water spurted from the top valve confirming a torn bladder, you can buy 24 to 48 hours of safe pump operation by turning off the breaker, opening the bottom tank drain valve, hooking a tire inflator to the top Schrader valve, and pumping a temporary pocket of compressed air into the top third of the tank while pushing half the water out the drain. Close the drain valve at 28 psi and turn the breaker back on. That trapped air pocket will absorb pump cycles for a day or two before gradually dissolving into the water.

Fakalelei'i 'o e sitepu-ki-he-sitepu 3: Fetongi 'o ha capacitor kamata puhi'i 'i ha puha pule 3-uaea .¶

Kapau 'oku 'i ai ha ukamea 'i ho'o basement Franklin Electric, Goulds, pe Pentair puha pule'i 'o e pamu 'oku fokotu'u 'i he 'a 'i he tafa'aki 'o e tangike 'o e 'uhila, pea fakafokifā 'oku tu'u 'a e ngaue 'a ho'o vaitupu hili ha manamana 'i he fa'ahita'u mafana, 'oho 'a e ivi, pe brownout, fanongo ki he puha 'i he taimi 'oku ui ai 'e he 'uhila 'o e 'uhila. Kapau te ke fanongo ki ha momeniti 2-sekoni 'o e hum 'uhila pea muimui 'i ha le'o lahi 'o e ukamea * lomi'i * ('a e thermal overload breaker 'i loto tripping), tatali sekoni 'e 60 pea fakaava 'a e puha pule malu:

1. Fakamo'ui 'a e 240-volt 'o e pamu vaitupu 'o e breaker OFF 'i he panel 'uhila lahi.
2. Vete ʻa e sikulu ʻi lalo ʻi he puha puleʻi ʻo e pamu pea taʻalo ʻa e ʻufiʻufi ʻi muʻá ki lalo pea ʻave hono hingoa ʻi ʻolungá. 'I he lahi taha 'o e ngaahi puha 'o e Franklin Quick-Disconnect (QD) fakaonopooni, to'o 'a e 'ufi'ufi 'o 'otometiki 'a e ngaahi konga kotoa pe 'i loto 'i he 'ufi'ufi mei he ngaahi uaea 'o e 'a mo'ui.
3. Faka'ata 'a e capacitor kamata 'uli'uli cylindrical malu: Na'a mo e motuhi 'o e mate, 'e lava ke tanaki 'e he capacitor tubular 'uli'uli 'i loto 'i he 'ufi'ufi 'a e 250+ volts DC. Puke ha screwdriver 'e hono insulated palasitika pe kapa 'o e nima pe pea bridge 'a e mata'i ukamea 'i he ongo terminals spade palasa 'i 'olunga 'i he cylinder capacitor 'uli'uli 'i he sekoni 'e 3 ke faka'ata ha toenga 'uhila.
4. Kumi ki he capacitor fakatu'asino 'o e ta'elavame'a: Kapau 'oku bulged 'a e tumu'aki 'o e cylinder 'uli'uli ki 'olunga hange ko ha sota 'e lava ke fula, kapau kuo popped 'a e ki'i takai 'o e kapa puhi-ki tu'a 'i 'olunga 'o fakaava, pe kapau kuo leaked 'a e lolo electrolyte pipiki ki tu'a, kuo ta'elavame'a 'a e $15 kamata capacitor. Te ke lava pe 'o fetongi 'a e plug-'i he puha pule kotoa 'o e 'ufi'ufi (fakatau atu 'i he ngaahi falekoloa 'o e ngaahi naunau mo e faama 'oku fakafehoanaki 'e he fakafuofua 'o e malohi 'o e hoosi, hange ko e ½ HP, ¾ HP, pe 1 HP) pe faka'uli 'a e ongo fehokotaki'anga spade ki ha fakafehoanaki 'o e motorstar fetongi MFD/volta.

Ko e me'a ke fai 'i he taimi 'oku si'isi'i pe momoko ai ho'o vaitupu lolotonga ha la'ala'aa .¶

Lolotonga e ngaahi la'ala'aa fakaloloa 'o e fa'ahita'u mafana pe hili hono fakafonu ha vai kaukau pe lele hokohoko 'a e ngaahi sprinklers 'o e ngoue, 'e lava ke holo hifo 'a e tepile vai 'i lalofonua fakalotofonua ki he screen 'o e intake 'o ho'o pamu submersible (drawdown cone).

• Ngaahi faka'ilonga fakatokanga 'o ha tepile vai 'oku to: Faucets sputter fakamālohi mo e blasts 'o e 'ea, vai momoko 'o e paipa 'oku sio 'ao'aofia hina pe lanu 'uli'uli mo e silt lelei, 'one'one gritty nofo 'i he lalo 'o e ngaahi tangike fale kaukau mo e clogs faucet aerators complete 'i he cu 10 minute outn.
• Founga ke fika'i mo pule'i 'a e fakaakeake lelei:
• Tamate'i leva 'a e breaker 'o e pamu vaitupu 'i ha houa 'e 3 ki he 6 ke faka'ata 'a e vai 'i lalofonua mei he ngaahi motu'a maka 'oku takatakai ke percolate 'o foki ki he kolomu 'o e vaitupu (static water recovery).
• Ko e taimi te ke toe fakamoʻui ai ʻa e meʻa motuʻá, tuku ke fonu kakato ʻa e tangikē ʻo e mīsiní (ʻa ia ʻoku miniti pē ʻe 1 ki he 2) pea fakangatangata leva hono fakaʻaongaʻi ʻo e vai ʻi ʻapí ki ha fanga kiʻi pa ʻoku fakamavaheʻi ʻe ha ngaahi vahaʻataimi mālōlō houa ʻe 2.
• Fokotu'u ha faka'ilekitulonika 'otometiki malu'i 'o e pamu / monitoa 'o e lele-momoko (hange ko ha PumpSaver pe Cycle Sensor) 'i loto 'i ho'o puha pule. 'Oku siofi 'e he ngaahi me'angaue ko 'eni 'a e to'o 'o e 'uhila lolotonga 'i he taimi mo'oni; ko e taimi pe 'oku to ai 'a e vai 'o e vaitupu ki he 'inasi 'o e pamu pea 'oku vilo 'a e impeller 'i he 'ea (underload), 'oku motuhi 'e he sensor 'a e malohi 'otometiki ki ha taimi fakaakeake programmable (hange ko e miniti 'e 60 ki he 120) ko ia 'oku 'ikai 'aupito ke vela 'a e pamu 'o momoko.

Ngaahi fakatu'utamaki 'o e 'uli 'o e vaitupu fakafo'ituitui: tafea, septic leaks, mo e kemikale¶

Koe'uhi 'oku 'ikai ke fakatonutonu pe siofi 'a e ngaahi vaitupu taautaha 'e he ngaahi kautaha vai 'a e ngaahi kolo 'i he malumalu 'o e Lao ki he Vai Inu Malu 'a 'Amelika pe ngaahi tu'utu'uni fakafonua tatau, 'oku 'ikai ha taha 'e sivi'i ho'o vai vaitupu tukukehe kapau te ke fai ia. ‘I he taimi ‘oku ‘ufi‘ufi ai ‘e he vai tāfeá ho loto‘aá, ‘i he taimi ‘oku fufulu ai ‘e ha ‘uha lahi ‘i he fa‘ahita‘u failaú ‘a e manure ‘o e fanga manú pe ko e vai ‘oku ‘alu atu ki ha sila vaitupu kuo mafesifesi, pe ‘i he taimi ‘oku tafe ai ha tangikē lolo fakamāfana ‘i lalofonua, ‘e lava ke hoko ho‘o vai ‘i he paipá ‘o kona ‘aupito ‘i he pō pē ‘e taha.

Ko hono ‘ilo‘i ‘a e ngaahi me‘a ‘oku ‘uli‘i ‘e he vai ‘o e vaitupú pea ko e fē ‘a e faito‘o ‘oku ngāué .¶

Different groundwater contaminants require completely different emergency responses. Crucially, boiling water ONLY kills living biological organisms (bacteria, viruses, and parasites); boiling water that contains nitrates, arsenic, lead, or fuel chemicals actually boils off pure steam and CONCENTRATES the poison in the remaining water.

Polokalama fakasitepu: founga ke faka'ohovale'i-chlorinate ha vaitupu 'oku 'uli'i¶

Kapau na’e fakauku ‘e he vai tafea ho ‘ulu vaitupu, kapau na’a ke fakaava ‘a e ‘aofi ‘o e vaitupu ke fetongi ha pamu pe ko ha me’a faka’ata ‘o e ‘ea, pe kapau na’e foki mai ‘a e sivi ‘i he fale fakatotolo fakakemi ‘oku ‘i ai ‘a e Total Coliform pe E. coli pekitilia, kuo pau ke ke faka'auha 'a e vaitupu kotoa, casing, tangike 'o e 'omi, mo e ngaahi laine palama 'o e 'api 'o faka'aonga'i 'a e shock chlorination ('omi 'a e kolomu vai kotoa ki ha tu'unga 'o e fakafuofua ki he 200 konga ki he miliona [ppm] chlorine ta'etotongi ki he 12 ki he 24 hours).

Sitepu 1: Fika'i 'a e lahi 'o e unscented bleach 'oku fie ma'u .¶

Ke a'u ki he 200 ppm 'o e chlorine 'i ha tu'unga nofo'anga drilled vaitupu mo ha 10- ki he 15-senitimita (4- ki he 6-'inisi) casing, faka'aonga'i 'a e tepile fakafekau'aki ko 'eni 'o makatu'unga 'i he loloto 'o e vai 'oku tu'u 'i ho'o vaitupu (fakakatoa 'o e loloto 'o e vaitupu minus 'a e loloto 'o e vaitupu static fika'i 'a e fakakatoa 'o e50. mililita / 2 ipu ki he palama 'o e fale):

Sitepu 2: Lilingi mo recirculate 'a e chlorine ki lalo 'i he casing 'o e vaitupu .¶

1. Tauhi ‘a e vai inu mo e vai fufulu ma’a ‘i ha houa ‘e 24 kimu’a pea toki kamata, he ‘oku ‘ikai lava ‘e ha taha ‘i ‘api ‘o inu, ‘uha, fufulu ‘a e ngaahi kofu, pe fufulu ‘a e vai ‘oku lahi ai ‘a e kololini ki ha tangike septic ‘i ha ngaahi voliume lahi lolotonga ‘a e ngaue.
2. Switch OFF 'a e circuit breaker 'o e pamu vaitupu 'i he panel 'uhila tefito kimu'a pea toki to'o 'a e ukamea pe pelesitiki wellhead 'o e 'ulu ke 'oua na'a ke lava 'o 'ohovale 'i he ngaahi uaea pamu chafed 'i loto 'i he casing.
3. Vete mo hiki hake 'a e pulou 'o e vaitupu sanitary 'i 'olunga (pe vete 'a e palaka 'o e 'ea 'o e manava threaded 'i 'olunga 'i he sila 'o e vaitupu).
4. Pre-dilute the bleach in clean 19-liter (5-gallon) plastic buckets of water (roughly 1 part bleach to 4 parts water) while wearing eye protection and rubber gloves, and pour the diluted chlorine solution slowly down the inside walls of the well casing.
5. Wash down the dry upper casing and mix the water column (Recirculation): Connect a clean garden hose to an outdoor spigot closest to the pressure tank, place the other end of the hose down into the open top of the well casing, turn the well pump breaker back ON, and open the hose bibb.
6. Let the garden hose circulate water out of the well and straight back down the inside walls of the casing for 30 to 60 minutes until you smell a strong, unmistakable chlorine odor coming out of the garden hose (or verify a purple reading on a 200-ppm high-range chlorine test strip). This step washes bacteria off the upper dry casing walls and mixes the chlorine all the way to the bottom of the well. Turn off the outdoor hose.

Sitepu 3: To'o 'a e vai chlorinated ki he faucet mo e paipa kotoa pe 'i loto .¶

1. Lue atu ki loto fale pea, takitaha, fakaava ngaahi me'angaue vai momoko mo vela kotoa pe: sinki 'o e 'ai'angakai 'o e manu, sinki 'o e fale kaukau, ngaahi kaukau, ngaahi 'uha, ngaahi hose 'o e me'akai 'o e misini fufulu, ngaahi hydrants 'i tu'a 'oku 'ikai ke 'i ai ha 'uha momoko, pea fufulu tu'o taha 'a e fale kaukau kotoa pe.
2. Lele 'a e ngaahi paipa takitaha kae 'oua kuo ke nanamu ki ha nanamu malohi 'o e chlorine bleach 'oku ha'u mei he faucet pau ko ia (pe sivi'i 'aki ha pepa chlorine strip), pea tapuni 'a e faucet ko ia 'i he taimi pe ko ia.
3. ‘Oua ‘e ngalo ke fakatafe ‘a e lita ‘e 20 ki he 40 (kaloni ‘e 5 ki he 10) mei he lalo ho’o me’a fakamokomoko vai vela pea tuku ke toe fakafonu ‘aki ‘a e vai ‘oku ‘i ai ‘a e kololini koe’uhi ke faka’auha ‘a e fanga ki’i pekitilia ‘i he tangike mafana.

Sitepu 4: Pukepuke 'a e houa 'e 12 ki he 24 'o e taimi fetu'utaki .¶

Tuku e vai kuo chlorinated ke tangutu ta e fakalavea i loto i he casing o e vaitupu, tangike pressure, mo e ngaahi paipa kotoa pe o e api i he houa e 12, pea oku lelei taha ke houa e 24 i he po. ‘Oua ‘e ngāue‘aki ha vai lolotonga ‘a e matapā fetu‘utaki ko ení. Sivi'i 'a e gasket 'o e kapa 'i ho'o pulou vaitupu pea toe fokotu'u malu 'a e pulou 'i he 'ulu vaitupu.

Sitepu 5: Fufulu 'a e vaitupu 'i tu'a ('Oua 'aupito na'a ke 'alu ki ho'o tangike septic) pea toe sivi'i .¶

1. 'Oua 'aupito na'a ke fakatafe 'a e 200-ppm 'ohovale-chlorinated 'a e vai 'o e vaitupu ki lalo 'i he ngaahi sink 'i loto pe ngaahi fale kaukau ki ha sisitemi septic fakafo'ituitui. Tafea ho'o tangike septic 'aki 'a e lita 'e laungeau 'o e vai super-chlorinated 'e tamate'i 'a e ngaahi pekitilia anaerobic 'aonga 'i loto ho'o tangike septic mo e lingi ruhydrauin fu'u voliume that.
2. Ka, lele ha paipa ngoue loloa mei ha faucet 'i tu'a ki tu'a ki ha hala makamaka, 'a, pe 'elia 'o e ngoue 'oku tu'u 'ikai si'i hifo he mita 'e 15 ki he 30 (fute 'e 50 ki he 100) mei ha fa'ahinga vaitafe, vaitupu, vaitafe ika, septic drainsfield, pe ngaahi fu'u 'akau 'o e ngoue chroglorh and mahu'inga).
3. Fakamo'ui 'a e hose 'i tu'a 'i ha tu'unga tafe fakafuofua (sio ki ho'o me'afua 'o e 'ea ke fakapapau'i 'oku 'ikai ke ke pamu 'a e vaitupu ke momoko; siakale 'a e hose miniti 'e 30 'i he, miniti 'e 30 'o mate kapau 'oku ma'ulalo 'a e tu'unga fakaakeake 'o ho'o vaitupu) kae 'oua kuo mole 'a e nanamu malohi 'o e chlorine 'i tu'a.
4. Faka'osi, fakaava ho'o ngaahi faucets 'i loto 'i he miniti 'e 5 ki he 10 takitaha ke fakama'a 'a e ki'i konga si'i 'o e vai chlorinated 'oku kei toe 'i loto 'i he ngaahi paipa 'o e fale, toe fokotu'u 'a e sediment ma'a mo e ngaahi filita kaponi, 'ave ho'o me'a fakamolū vai 'o e bypass, pea hokohoko atu hono vela 'o e vai inu kae 'oua kuo fakamo'oni'i 'a e takenys ta1. pea fakapapau'i 'oku 'ikai ha Coliform mo e 'ikai ha E. coli ko e pekitilia.

Malu'i ho'o vaitupu mei he 'aisi 'o e fa'ahita'u momoko mo e maumau 'o e vela 'o e vao .¶

• Ta'ofi 'a e fale vaitupu 'o e fa'ahita'u momoko mo e 'ea 'o e 'ea: Neongo kapau 'oku tangutu ho'o pamu submersible mita 'e 60 'i lalofonua, 'e 'aisi 'a e fale vaitupu uninsulated pe feitu'u totolo momoko 'a e nipple paipa 'oku fakangatangata 'a e 6-milimita (¼-'inisi) 'i lalo 'i ho'o 'ea 'o e 'ea fefeka 'i he 0 tikili Che3ren de2sius). Koe'uhi ko e 'aisi 'aisi 'oku ne tauhele'i ha lau 'o e 50-psi 'a e 'omi 'i loto 'i he diaphragm 'o e switch, 'Oku 'ikai 'aupito 'ilo 'e he switch 'oku 'ikai ha vai ho fale, pe ko hono fakafepaki'i 'oku ne loka'i 'a e pamu ON kae 'oua kuo pa 'a e paipa PVC. Insulate ma'u pe 'a e ngaahi paipa 'o e tangike 'o e 'omi, tauhi ha me'a fakamokomoko 'oku pule'i 'e he thermostatically pe tepi vela 'i he ngaahi paipa 'o e fale vaitupu 'oku fakahaa'i, pea 'oua na'a teitei faka'aonga'i ha maama propane 'oku fakaava-ulo ke fakamokomoko 'a e ngaahi paipa vaitupu PVC pe polyethylene.
• Hili ha vela vao 'oku paasi 'i ho'o koloa: 'Oku fa'a vaia 'a e vela ngingila lahi mei ha mohuku pe vao 'akau 'i 'olunga-kelekele PVC vai 'o e ngaahi 'ea, vela 'a e pamu pule'i 'o e uaea, pea fakatupu 'a e 'omi 'o e kovi 'i he ngaahi laine vai 'oku ne mimisi 'a e kona **benzene, toluene, mo e styrene piporsround system. Hili ha vela ‘i he vaotaá, ‘oua ‘e inu pe ‘uha ‘i he vai ‘o e vaitupú neongo ‘oku hā ma‘a ‘a e vaí; 'ai ha fale fakatotolo fakakemi kuo fakamo'oni'i ke fakahoko ha Volatile Organic Compound (VOC) scan ki he benzene 'i he tafa'aki 'o ha sivi 'o e pekitilia kimu'a pea toki kamata hono ngaue'aki.

Ngaahi fehu'i 'oku toutou 'eke .¶

Kuo vakaiʻi ʻa e ngaahi maʻuʻanga fakamatalá¶

• Potungaue Malu'i 'o e 'Atakai 'o e 'Iunaiteti Siteiti (US EPA): Ngaahi Vai Inu Fakataautaha, Ko e Me'a ke Fai ki Ho'o Vai Inu Fakataautaha Hili ha Tafea, mo e Faka'auha Fakavavevave 'o e Vai Inu protocols.
• Senitā ki hono Puleʻi mo e Taʻofi ʻo e Mahakí (CDC, ʻIunaiteti Siteití): Sivi ʻo e Ngaahi Vai, Fakaʻauha ʻo e Ngaahi Vai Hili ha Fakatuʻutāmaki (Shock Chlorination), mo e Taʻofi ʻo e Nitrate / Methemoglobinemia ʻi he Ngaahi Vai Taautaha.
• Kautaha Vai Fakafonua (NGWA, 'Iunaiteti Siteiti / Fakavaha'apule'anga): Fakahinohino ki he Tokotaha 'oku 'a'ana 'a e Vai (WellOwner.org) 'oku ne 'ufi'ufi 'a e ngaahi fakatotolo 'o e submersible vs.
• Health Canada (Canada): Ke Tokanga'i Lelei: Ngaahi Fakamatala ki he Kau Ma'u Vai Taautaha mo e Fakahinohino ki he Ngaahi Me'a Fakatupu Mahaki 'o e Pekitilia 'oku ma'u mei he Vai mo e Nitrate/Nitrite 'i he Ngaahi Me'atokoni Vai Nofo'anga.
• Potungaue Sivi Vai Inu (DWI, Pilitania) mo e Potungaue Malu'i Mo'ui 'a Pilitania (UKHSA): Ngaahi Ma'u'anga Vai Fakataautaha: Fakahinohino Fakatekinikale ki he Sivi Fakatu'utamaki, Malu'i 'o e Ngaahi 'Ulu'i Ngaue 'o e Ngaahi Luo, mo e Faka'auha 'o e Ngaahi Mahaki.
• Penn State Fakalahi mo e 'Univesiti 'o Minnesota Fakalahi ('Iunaiteti Siteiti): Shock Chlorination 'o e ngaahi vaitupu mo e ngaahi matavai mo e ngaahi fakamatala fakalelei'i 'o e ngaahi palopalema 'o e tangike 'o e 'ea / 'o e 'ea.

Ngaahi fakahinohino fekau'aki¶

• Ngaahi fakatokanga ki he malu 'o e vai mo e vela .
• Ko e ta'elavame'a 'a e sisitemi septic mo e backup .
• Mate 'a e 'uhila
• Tafea