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Tap water quality report

Grouse Point Water Company Llc

EPA monitoring tested this supplier for 66 contaminants and detected 7. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

66
contaminants tested
7
detected
70
people served
14
health-based violations
Idaho rankingsLead in IdahoPFAS in Idaho
Water source
Ground water
Ownership
Private
Counties served
Ada

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.

14
health-based violations
74
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Archived 2008-04-01 → 2008-06-30
MCL Health-based Archived 2008-01-01 → 2008-03-31
MCL Health-based Archived 2007-10-01 → 2007-12-31
MCL Health-based Archived 2007-08-01 → 2007-08-31
MCL Health-based Archived 2007-07-01 → 2007-09-30
MCL Health-based Archived 2007-04-01 → 2007-06-30
MCL Health-based Archived 2007-01-01 → 2007-03-31
MCL Health-based Archived 2006-10-01 → 2006-12-31
MCL Health-based Archived 2006-07-01 → 2006-09-30
MCL Health-based Archived 2006-04-01 → 2006-06-30

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.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Nitrate
7165 µg/L 72%
of the EPA limit 10000 µg/L
worst single sample: 7300 µg/L
30/48 SYR4 2012–2019
Lead
0.0010 mg/L 6.7%
of the EPA limit 0.0150 mg/L
 11/11 LCR 2024
Arsenic
7.74 µg/L 77%
of the EPA limit 10 µg/L
worst single sample: 7.8 µg/L
3/3 SYR4 2013–2019
Barium
90 µg/L 4.5%
of the EPA limit 2000 µg/L
 3/3 SYR4 2013–2019
Fluoride
390 µg/L 9.8%
of the EPA limit 4000 µg/L
worst single sample: 400 µg/L
3/3 SYR4 2013–2019
Nitrate-Nitrite
6575 µg/L 66%
of the EPA limit 10000 µg/L
worst single sample: 6900 µg/L
2/3 SYR4 2019
Nitrite
10 µg/L 1%
of the EPA limit 1000 µg/L
 1/3 SYR4 2019
59 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane2,4,5-TP2,4-DAntimony, TotalAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumCombined Radium (-226 And -228)Combined UraniumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
WANNER, LISA
Phone
208-761-5366
Email
[email protected]

Frequently asked questions about Grouse Point Water Company Llc

Is Grouse Point Water Company Llc tap water safe to drink?

EPA monitoring detected 7 contaminants in Grouse Point Water Company Llc'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 Grouse Point Water Company Llc's water?

EPA monitoring detected Nitrate, Lead, Arsenic, Barium, Fluoride, and others. The full list with the level and data source for each is above.

How many people does Grouse Point Water Company Llc serve?

Grouse Point Water Company Llc reports serving 70 people in Idaho, per its EPA record.

Has Grouse Point Water Company Llc had any water quality violations?

The EPA has 74 violations on file for Grouse Point Water Company Llc, of which 14 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.