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Tap water quality report

Rosemount Water Co

EPA monitoring tested this supplier for 81 contaminants and detected 15. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

81
contaminants tested
15
detected
54
people served
348
health-based violations
Nevada rankingsLead in NevadaPFAS in Nevada
Water source
Ground water
Ownership
Private
Counties served
Washoe

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.

348
health-based violations
1,273
violations on file
7
still open
ViolationTypeStatusPeriod
MCL Health-based Archived 2026-01-01 → 2026-03-31
MCL Health-based Archived 2026-01-01 → 2026-03-31
MCL Health-based Archived 2025-10-01 → 2025-12-31
MCL Health-based Archived 2025-10-01 → 2025-12-31
MCL Health-based Archived 2025-07-01 → 2025-09-30
MCL Health-based Archived 2025-07-01 → 2025-09-30
MCL Health-based Resolved 2025-07-01 → 2025-09-30
MCL Health-based Resolved 2025-07-01 → 2025-09-30
MCL Health-based Resolved 2025-07-01 → 2025-09-30
MCL Health-based Resolved 2025-04-01 → 2025-06-30

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 single worst sample on record — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Combined Uranium
110 µg/L 367%
of the EPA limit, in the worst sample — 30 µg/L
 137/164 SYR4 2012–2019
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 15/15 LCR 2025
Copper
560 µg/L 43%
of the EPA limit 1300 µg/L
 12/15 SYR4 2012–2019
Chloroform
10 µg/L
No EPA limit set
 9/10 SYR4 2012–2019
TTHM
12.1 µg/L 15%
of the EPA limit 80 µg/L
 9/9 SYR4 2012–2019
Bromodichloromethane
2.1 µg/L
No EPA limit set
 7/10 SYR4 2012–2019
Dichloroacetic Acid
6.9 µg/L
No EPA limit set
 4/7 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
15.5 µg/L 26%
of the EPA limit 60 µg/L
 4/7 SYR4 2012–2019
Dibromochloromethane
0.6000 µg/L
No EPA limit set
 3/10 SYR4 2012–2019
Lead
2 µg/L 13%
of the EPA limit 15 µg/L
 3/12 SYR4 2018–2019
Trichloroacetic Acid
8.6 µg/L
No EPA limit set
 3/7 SYR4 2012–2019
Nitrate
1100 µg/L 11%
of the EPA limit 10000 µg/L
 2/8 SYR4 2012–2018
Fluoride
100 µg/L 2.5%
of the EPA limit 4000 µg/L
 1/3 SYR4 2012–2018
Gross Beta Particle Activity
16.7 pCi/L
No EPA limit set
 1/1 SYR4 2018
Nitrate-Nitrite
1100 µg/L 11%
of the EPA limit 10000 µg/L
 1/7 SYR4 2012–2018
66 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, TotalArsenicAtrazineBhc-GammaBariumBenzeneBenzo(A)PyreneBeryllium, TotalBromoformChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumCombined Radium (-226 And -228)DichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDibromoacetic AcidDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorMonobromoacetic AcidMonochloroacetic AcidNitriteOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
HOLT, TIM
Phone
775-849-1928
Email
tsawco@aol.com

Frequently asked questions about Rosemount Water Co

Is Rosemount Water Co tap water safe to drink?

EPA monitoring detected 15 contaminants in Rosemount Water Co'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 Rosemount Water Co's water?

EPA monitoring detected Combined Uranium, Lead, Copper, Chloroform, TTHM, and others. The full list with the level and data source for each is above.

How many people does Rosemount Water Co serve?

Rosemount Water Co reports serving 54 people in Nevada, per its EPA record.

Has Rosemount Water Co had any water quality violations?

The EPA has 1273 violations on file for Rosemount Water Co, of which 348 are health-based (a contaminant limit or required treatment was breached) and 7 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.