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Community Water System · PWS NV0000015

Carson City Public Works

Carson City, Nevada 89701 - drinking water served from surface water sources to 59,000 people, tracked in EPA SDWIS and UCMR5.

59,000
People served
298
EPA violations
10
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 298 drinking-water violations at Carson City Public Works, 3% of them health-based - above the Nevada per-system average.

298
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
59,000
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Carson City Public Works

Carson City Public Works is a local-owned community water system that delivers drinking water to 59,000 residents in Carson City, Nevada through 19,154 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 298 total violations for this system , of which 10 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 271 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Xylenes, Total, recorded in 12 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Nevada, EPA tracks 589 public water systems serving 3,455,285 people, with 56,333 cumulative violations and 6,657 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 95.6 violations. Statewide, 50 of 57 UCMR5-tested systems have reported PFAS detections (87.7%).

Carson City Public Works's 298 violations sit above the Nevada average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
59,000
Total Violations
298
Health-Based Violations
10
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
19,154
School/Daycare
No
MCL Violations
10
Monitoring Violations
271
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Xylenes, Total MR 12 2012
Ethylbenzene MR 12 2012
Combined Uranium MCL 10 2008
CYANIDE MR 9 2005
Toluene MR 9 2012
Chlordane MR 7 2020
ETHYLENE DIBROMIDE MR 7 2020
cis-1,2-Dichloroethylene MR 6 2012
DICHLOROMETHANE MR 6 2012
p-Dichlorobenzene MR 6 2012
Vinyl chloride MR 6 2012
trans-1,2-Dichloroethylene MR 6 2012
1,2-Dichloroethane MR 6 2012
1,2-Dichloropropane MR 6 2012
Trichloroethylene MR 6 2012
1,1,2-Trichloroethane MR 6 2012
Styrene MR 6 2012
Benzene MR 6 2012
o-Dichlorobenzene MR 6 2012
Tetrachloroethylene MR 6 2012
1,2,4-Trichlorobenzene MR 6 2012
Di(2-ethylhexyl) phthalate MR 6 2013
Carbon tetrachloride MR 6 2012
1,1,1-Trichloroethane MR 6 2012
1,1-Dichloroethylene MR 6 2012
CHLOROBENZENE MR 6 2012
Nitrate MR 5 2022
Arsenic MR 4 2013
Hexachlorocyclopentadiene MR 4 2011
Nitrite MR 4 2020

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 377 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 6/17/2025 <8.00 ppt 8.00 ppt Not Detected
PFMPA 6/17/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 6/17/2025 <20.00 ppt 20.00 ppt Not Detected
PFPeS 6/17/2025 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 6/17/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 6/17/2025 <7.00 ppt 7.00 ppt Not Detected
PFBS 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpS 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 6/17/2025 <6.00 ppt 6.00 ppt Not Detected
PFOS 6/17/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpA 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 6/17/2025 <5.00 ppt 5.00 ppt Not Detected
PFNA 6/17/2025 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 6/17/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFBA 6/17/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 6/17/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 6/17/2025 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 6/17/2025 <2.00 ppt 2.00 ppt Not Detected
ADONA 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 6/17/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 6/17/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 6/17/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 6/17/2025 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 6/17/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFBA 6/17/2025 <5.00 ppt 5.00 ppt Not Detected
PFMBA 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFDA 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 6/17/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 6/17/2025 <5.00 ppt 5.00 ppt Not Detected
PFHxA 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
ADONA 6/17/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 6/17/2025 <5.00 ppt 5.00 ppt Not Detected
NFDHA 6/17/2025 <20.00 ppt 20.00 ppt Not Detected
NMeFOSAA 6/17/2025 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 6/17/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 6/17/2025 <7.00 ppt 7.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Carson City Public Works.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NV0000015 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Nevada Drinking Water Authority

Nevada's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find NV regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2022 Nitrate MR 5 SDWIS / NV0000015 / 1040
2020 Chlordane MR 7 SDWIS / NV0000015 / 2959
2020 ETHYLENE DIBROMIDE MR 7 SDWIS / NV0000015 / 2946
2020 Nitrite MR 4 SDWIS / NV0000015 / 1041
2015 Radium-226 MR 3 SDWIS / NV0000015 / 4020
2015 Radium-228 MR 3 SDWIS / NV0000015 / 4030
2015 Combined Radium (-226 and -228) MR 3 SDWIS / NV0000015 / 4010
2013 Di(2-ethylhexyl) phthalate MR 6 SDWIS / NV0000015 / 2039
2013 Arsenic MR 4 SDWIS / NV0000015 / 1005
2012 Xylenes, Total MR 12 SDWIS / NV0000015 / 2955
2012 Ethylbenzene MR 12 SDWIS / NV0000015 / 2992
2012 Toluene MR 9 SDWIS / NV0000015 / 2991
2012 cis-1,2-Dichloroethylene MR 6 SDWIS / NV0000015 / 2380
2012 DICHLOROMETHANE MR 6 SDWIS / NV0000015 / 2964
2012 p-Dichlorobenzene MR 6 SDWIS / NV0000015 / 2969

How Carson City Public Works Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Carson City Public Works Nevada avg Federal benchmark
Total violations 298 95.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 11.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 87.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 59,000 5,866 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 589 regulated public water systems in Nevada.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Carson City Public Works water safe to drink?
Carson City Public Works (PWS ID: NV0000015) has 298 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 59,000 people using Surface Water sources.
How many people does Carson City Public Works serve?
Carson City Public Works serves 59,000 people in Carson City, Nevada. It is a Local-owned system using Surface Water water sources with 19,154 service connections.
What type of violations does Carson City Public Works have?
Carson City Public Works has 298 total violations: 10 health-based violations (MCL exceedances or treatment failures), 271 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Carson City Public Works water?
No. Carson City Public Works was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Carson City Public Works use?
Carson City Public Works uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.