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Tap water quality report

Washoe Tribe Carson Colony

EPA monitoring tested this supplier for 73 contaminants and detected 14. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

73
contaminants tested
14
detected
450
people served
4
health-based violations
Nevada rankingsLead in NevadaPFAS in Nevada
Water source
Ground water
Ownership
Native American

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.

4
health-based violations
181
violations on file
0
still open
ViolationTypeStatusPeriod
TT Health-based Resolved 2017-07-27
MCL Health-based Resolved 2013-04-01 → 2013-06-30
MCL Health-based Resolved 2004-08-01 → 2004-08-31
MCL Health-based Resolved 2003-10-01 → 2003-10-31
MR Monitoring Resolved 2023-04-01 → 2023-06-30
MR Monitoring Resolved 2020-07-01 → 2020-09-30
MR Monitoring Resolved 2020-01-01 → 2022-12-31
RPT Monitoring Resolved 2019-12-01
MR Monitoring Resolved 2017-01-01 → 2017-06-30
MR Monitoring Resolved 2016-07-01 → 2016-12-31

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.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Nitrate
10742.5 µg/L 107%
of the EPA limit, at the 95th percentile of samples — 10000 µg/L
worst single sample: 13000 µg/L
66/66 SYR4 2012–2019
Lead
0.0010 mg/L 6.7%
of the EPA limit 0.0150 mg/L
 11/11 LCR 2025
Gross Alpha, Excl. Radon And U
7.5 pCi/L 50%
of the EPA limit 15 pCi/L
 4/5 SYR4 2013–2019
Barium
119 µg/L 5.9%
of the EPA limit 2000 µg/L
worst single sample: 120 µg/L
3/3 SYR4 2013–2019
Atrazine
0.0694 µg/L 2.3%
of the EPA limit 3 µg/L
worst single sample: 0.0700 µg/L
2/3 SYR4 2014–2017
Copper
9.65 µg/L 0.7%
of the EPA limit 1300 µg/L
worst single sample: 10 µg/L
2/2 SYR4 2016–2017
Fluoride
395 µg/L 9.9%
of the EPA limit 4000 µg/L
worst single sample: 400 µg/L
2/3 SYR4 2013–2019
TTHM
1.4545 µg/L 1.8%
of the EPA limit 80 µg/L
worst single sample: 1.5 µg/L
2/3 SYR4 2013–2019
Chromium
1 µg/L 1%
of the EPA limit 100 µg/L
 1/3 SYR4 2013–2019
Combined Radium (-226 And -228)
0.6000 pCi/L 12%
of the EPA limit 5 pCi/L
 1/2 SYR4 2016–2019
Combined Uranium
14 µg/L 47%
of the EPA limit 30 µg/L
 1/3 SYR4 2013–2019
Heptachlor
0.0400 µg/L 10%
of the EPA limit 0.4000 µg/L
 1/3 SYR4 2014–2017
Heptachlor Epoxide
0.0500 µg/L 25%
of the EPA limit 0.2000 µg/L
 1/3 SYR4 2014–2017
Selenium
1 µg/L 2%
of the EPA limit 50 µg/L
 1/2 SYR4 2013–2019
59 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane2,3,7,8-TCDD2,4,5-TP2,4-DAntimony, TotalArsenicAsbestosBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateHexachlorobenzeneHexachlorocyclopentadieneLassoLeadMercuryMethoxychlorNitriteOxamylPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Haloacetic Acids (HAA5)Total Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
Serrell Smokey
Phone
7752658600
Email
[email protected]

Frequently asked questions about Washoe Tribe Carson Colony

Is Washoe Tribe Carson Colony tap water safe to drink?

EPA monitoring detected 14 contaminants in Washoe Tribe Carson Colony'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 Washoe Tribe Carson Colony's water?

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

How many people does Washoe Tribe Carson Colony serve?

Washoe Tribe Carson Colony reports serving 450 people in Nevada, per its EPA record.

Has Washoe Tribe Carson Colony had any water quality violations?

The EPA has 181 violations on file for Washoe Tribe Carson Colony, of which 4 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.