Is Flathead Co Water District No 8 Tap Water Safe? Quality Report

Water source: Ground water
Ownership: Private
Counties served: Flathead

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

health-based violations

557

violations on file

still open

Violation	Type	Status	Period
MCL	Health-based	Resolved	2011-09-01 → 2011-09-30
MCL	Health-based	Resolved	2011-09-01 → 2011-09-30
MCL	Health-based	Resolved	2011-09-01 → 2011-09-30
MCL	Health-based	Resolved	2011-09-01 → 2011-09-30
MCL	Health-based	Resolved	2011-09-01 → 2011-09-30
MCL	Health-based	Resolved	2009-10-01 → 2009-10-31
MCL	Health-based	Resolved	2009-10-01 → 2009-10-31
MCL	Health-based	Resolved	2009-10-01 → 2009-10-31
MCL	Health-based	Resolved	2009-10-01 → 2009-10-31
MCL	Health-based	Resolved	2009-10-01 → 2009-10-31

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.

Contaminant	Level vs EPA limit	Detection rate	Source	Period
Copper	310 µg/L 24% of the EPA limit 1300 µg/L worst single sample: 850 µg/L	19/20	SYR4	2012–2019
Lead	0.0 mg/L 0% of the EPA limit 0.0150 mg/L	14/14	LCR	2025
Combined Uranium	3 µg/L 10% of the EPA limit 30 µg/L	9/10	SYR4	2012–2019
Gross Alpha, Excl. Radon And U	12.9025 pCi/L 86% of the EPA limit 15 pCi/L worst single sample: 16.35 pCi/L	8/10	SYR4	2012–2019
Lead	11.3 µg/L 75% of the EPA limit 15 µg/L worst single sample: 12 µg/L	8/20	SYR4	2012–2019
Nitrate-Nitrite	69.5 µg/L 0.7% of the EPA limit 10000 µg/L worst single sample: 80 µg/L	8/8	SYR4	2012–2019
Nitrate	80 µg/L 0.8% of the EPA limit 10000 µg/L	6/6	SYR4	2013–2019
Barium	168 µg/L 8.4% of the EPA limit 2000 µg/L worst single sample: 170 µg/L	3/3	SYR4	2013–2019
Fluoride	177 µg/L 4.4% of the EPA limit 4000 µg/L worst single sample: 180 µg/L	3/3	SYR4	2013–2019
Combined Radium (-226 And -228)	1.8735 pCi/L 37% of the EPA limit 5 pCi/L worst single sample: 1.93 pCi/L	2/7	SYR4	2012–2013

59 contaminants tested, none detected

1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane2,4,5-TP2,4-DAntimony, TotalArsenicAsbestosAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalBromodichloromethaneBromoformChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneChloroformChromiumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDibromochloromethaneDinosebEndrinEthylbenzeneHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNitriteOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTTHMTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact: PIRRIE, GAVIN
Phone: 406-871-3368

Frequently asked questions about Flathead Co Water District No 8

Is Flathead Co Water District No 8 tap water safe to drink?

EPA monitoring detected 10 contaminants in Flathead Co Water District No 8's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Flathead Co Water District No 8's water?

EPA monitoring detected Copper, Lead, Combined Uranium, Gross Alpha, Excl. Radon And U, Lead, and others. The full list with the level and data source for each is above.

How many people does Flathead Co Water District No 8 serve?

Flathead Co Water District No 8 reports serving 475 people in Montana, per its EPA record.

Has Flathead Co Water District No 8 had any water quality violations?

The EPA has 557 violations on file for Flathead Co Water District No 8, of which 18 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.