Water Quality Report · Updated May 12, 2026
CARSON CITY PUBLIC WORKS
CARSON CITY PUBLIC WORKS delivers tap water graded D (59/100) by TapWaterSafety.org. The utility serves approximately 59,000 residents in CARSON CITY, Nevada using surface water. The most significant water quality concerns are: Arsenic significantly above health guideline; Radon significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline. For questions, the utility can be reached at 775-283-7357.
Is CARSON CITY tap water safe to drink?
CARSON CITY PUBLIC WORKS delivers tap water that earns a grade of D (59/100) from TapWaterSafety.org — a below-average rating, with multiple concerns including arsenic significantly above health guideline.
The utility serves 59,000 residents in CARSON CITY, drawing from surface water.
Public testing data identifies 18 contaminants in this water above EWG's health-based guidelines, including: Arsenic, Radon, Haloacetic acids (HAA9), Haloacetic acids (HAA5), Total trihalomethanes (TTHMs), Trichloroacetic acid, Chloroform, Bromodichloromethane, Dichloroacetic acid, Bromochloroacetic acid, Uranium, Nitrate, Chromium (hexavalent), Nitrate and nitrite, Dibromochloromethane, Radium, combined (-226 and -228), Dibromoacetic acid, Cadmium. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
Quick actions for CARSON CITY residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for CARSON CITY PUBLIC WORKS.
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.
Contact CARSON CITY PUBLIC WORKS
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for CARSON CITY
Filters matched to the specific contaminants in this water supply.
Reverse Osmosis
$249-$750Arsenic is most effectively removed by reverse osmosis. Some specialized adsorptive filters also work.
Carbon block (NSF/ANSI 42 + 53)
$40-$750Activated carbon is highly effective for disinfection byproducts like TTHM and HAA5.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
Score breakdown
This utility's overall score of 59/100 breaks down across five weighted components. Read the full methodology →
Contaminants detected — international standards comparison
Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). 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 (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
CARSON CITY PUBLIC WORKS service area
This water system serves 1 community in County, Nevada. Click any city for its dedicated tap water quality page.
Find the right filter for CARSON CITY water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.