Tap Water Quality Report
Tap water quality in CARSON CITY, Nevada
Tap water in CARSON CITY, Nevada receives a grade of F (54/100) from TapWaterSafety.org. It's served by CARSON CITY PUBLIC WORKS. The most significant water quality concerns are: Arsenic significantly above health guideline; Radon significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in CARSON CITY's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving CARSON CITY.
Arsenic significantly above health guideline
Moderate concernArsenic detected at 5.87 ppb, 1467x above the EWG health guideline of 0.004 ppb.
Radon significantly above health guideline
Moderate concernRadon detected at 1579.39 pCi/L, 1053x above the EWG health guideline of 1.5 pCi/L.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 13.8 ppb, 229x above the EWG health guideline of 0.06 ppb.
EPA compliance record
Official U.S. EPA records for CARSON CITY PUBLIC WORKS (system ID NV0000015) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Radionuclides and Revised Rad Rule | Missed testing or reporting | 01/01/2020 | Resolved |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Recommended filters for CARSON CITY
Filters matched to the specific contaminants in CARSON CITY's water supply.
Reverse osmosis certified for arsenic (NSF/ANSI 58)
$429-$599Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
All contaminants detected in CARSON CITY's tap water
Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Arsenic Heavy metal |
5.87 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 1467× over |
| Radon Radiological |
1579.39 pCi/L | 1.5 | — | — | — | — | — | 1053× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
13.8 ppb | 0.06 | — | — | — | — | — | 229× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
11.1 ppb | 0.1 | 60.0 | 60 | — | — | — | 111× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
14.2 ppb | 0.15 | 80.0 | 100 | — | — | — | 94× over |
| Trichloroacetic acid Disinfection byproduct |
6.56 ppb | 0.1 | — | — | — | — | — | 66× over |
| Chloroform Disinfection byproduct |
11.6 ppb | 0.4 | — | — | — | — | — | 29× over |
| Bromodichloromethane Disinfection byproduct |
1.44 ppb | 0.06 | — | — | — | — | — | 24× over |
| Dichloroacetic acid Disinfection byproduct |
4.48 ppb | 0.2 | — | — | — | — | — | 22× over |
| Bromochloroacetic acid Disinfection byproduct |
0.409 ppb | 0.02 | — | — | — | — | — | 20× over |
| Uranium Radiological |
8.73 pCi/L | 0.43 | 20.0 | 30 | 30 | 0.43 | — | 20× over |
| Nitrate Inorganic |
1.63 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 12× over |
| Chromium (hexavalent) Heavy metal |
0.22 ppb | 0.02 | — | — | — | — | — | 11× over |
| Nitrate and nitrite Inorganic |
1.12 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 8.0× over |
| Dibromochloromethane Disinfection byproduct |
0.777 ppb | 0.1 | — | — | — | — | — | 7.8× over |
| Radium, combined (-226 and -228) Radiological |
0.12 pCi/L | 0.05 | 5.0 | — | — | — | — | 2.4× over |
| Dibromoacetic acid Disinfection byproduct |
0.0661 ppb | 0.03 | — | — | — | — | — | 2.2× over |
| Cadmium Heavy metal |
0.0521 ppb | 0.04 | 5.0 | 5 | 3 | 0.04 | — | 1.3× over |
| Manganese Heavy metal |
35.4 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Chlorate Disinfection byproduct |
53.4 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Vanadium Other |
4.96 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Bromoform Disinfection byproduct |
0.118 ppb | 0.5 | — | — | — | — | — | Below guideline |
| Molybdenum Other |
4.8 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
24.1 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| 1,4-Dioxane Semi-volatile organic compound |
0.00933 ppb | 0.35 | — | — | 50 | 1 | — | Below guideline |
| Hexachlorocyclopentadiene Other |
0.0062 ppb | 2.0 | 50.0 | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.0348 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.39 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Bromide Other |
13.5 ppb | — | — | — | — | — | — | Below guideline |
| Chromium (total) Heavy metal |
0.164 ppb | — | 100.0 | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.3 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Germanium Other |
0.167 ppb | — | — | — | — | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines, California OEHHA PHGs, EWG Tap Water Database.
Treatment plant contact info
For service issues, water quality concerns, or to request a Consumer Confidence Report from CARSON CITY PUBLIC WORKS.