Free tap water grades for 1,100+ water systems & 10,000+ ZIP codesFree tap water grades for 10,000+ ZIP codes Official EPA compliance records · Independent ratings

Water Quality Report · Updated October 07, 2026

CARSON CITY PUBLIC WORKS

Serving 59,000 residents in CARSON CITY, Nevada .

National rank 12th percentile
Nevada rank 22th percentile
Data confidence Medium
Quick answer

CARSON CITY PUBLIC WORKS delivers tap water graded F (54/100) 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.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
59,000
People served
1
City served
32
Contaminants detected
18
Above health guidelines

Is CARSON CITY tap water safe to drink?

CARSON CITY PUBLIC WORKS delivers tap water that earns a grade of F (54/100) from TapWaterSafety.org — a poor rating, with significant contamination concerns and/or recent violations.

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.

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.

No health-based violations. EPA recorded 11 quarters with a testing, reporting or notice violation.
11 of 12quarters with a violation
Nolead above EPA action level
10/07/2025last state inspection
RuleTypeSinceStatus
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.

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 concern

Arsenic detected at 5.87 ppb, 1467x above the EWG health guideline of 0.004 ppb.

Radon significantly above health guideline

Moderate concern

Radon 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 concern

Haloacetic 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.

Recommended water filters for CARSON CITY

Filters matched to the specific contaminants in this water supply.

Reverse osmosis certified for arsenic (NSF/ANSI 58)

$429-$599

Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Carbon filter certified for VOCs (NSF/ANSI 53)

$180-$599

Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.

Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

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 54/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
10 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
12 / 20
Compliance History
5 / 10
Source Water Vulnerability
7 / 10

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.

About this water system

Public Water System ID
NV0000015
Owner type
Local government
Source water
Surface water
Service connections
19,154
Service area
CARSON CITY, County, Nevada