PlainWater

NPS ECHO BAY

PWS ID: NV0002503 · BOULDER CITY, Nevada 89005

NPS ECHO BAY serves 274 people in BOULDER CITY, Nevada using Surface Water water sources. It has 106 recorded EPA violations, including 56 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: NPS ECHO BAY

NPS ECHO BAY is a federal-owned community water system that delivers drinking water to 274 residents in BOULDER CITY, Nevada (Clark County) through 150 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 106 total violations for this system , of which 56 (53%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 40 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is TTHM, recorded in 56 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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. NPS ECHO BAY's 106 violations sit above the Nevada average. Statewide, 50 of 57 UCMR5-tested systems have reported PFAS detections (87.7%). 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
274
Total Violations
106
Health-Based Violations
56
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Federal
Connections
150
County
Clark
School/Daycare
No
MCL Violations
56
Monitoring Violations
40
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 56 2012
Chlorine MR 15 2023
CYANIDE MR 6 2012
Consumer Confidence Rule Other 4 2021
Antimony, Total MR 3 2001
Beryllium, Total MR 3 2001
Thallium, Total MR 3 2001
Surface Water Treatment Rule MR 3 2008
Lead and Copper Rule MR 3 2016
Nickel MR 3 2001
Coliform (Pre-TCR) Other 2 1984
Coliform (TCR) MR 1 1999

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 NPS ECHO BAY.

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 NV0002503 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
2023 Chlorine MR 15 SDWIS / NV0002503 / 0999
2021 Consumer Confidence Rule Other 4 SDWIS / NV0002503 / 7000
2016 Lead and Copper Rule MR 3 SDWIS / NV0002503 / 5000
2012 TTHM MCL 56 SDWIS / NV0002503 / 2950
2012 CYANIDE MR 6 SDWIS / NV0002503 / 1024
2008 Surface Water Treatment Rule MR 3 SDWIS / NV0002503 / 0200
2001 Antimony, Total MR 3 SDWIS / NV0002503 / 1074
2001 Beryllium, Total MR 3 SDWIS / NV0002503 / 1075
2001 Thallium, Total MR 3 SDWIS / NV0002503 / 1085
2001 Nickel MR 3 SDWIS / NV0002503 / 1036
1999 Coliform (TCR) MR 1 SDWIS / NV0002503 / 3100
1984 Coliform (Pre-TCR) Other 2 SDWIS / NV0002503 / 3000

How NPS ECHO BAY Compares

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

Metric NPS ECHO BAY Nevada avg Federal benchmark
Total violations 106 95.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 56 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 274 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is NPS ECHO BAY water safe to drink?
NPS ECHO BAY (PWS ID: NV0002503) has 106 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 274 people using Surface Water sources.
How many people does NPS ECHO BAY serve?
NPS ECHO BAY serves 274 people in BOULDER CITY, Nevada. It is a Federal-owned system using Surface Water water sources with 150 service connections.
What type of violations does NPS ECHO BAY have?
NPS ECHO BAY has 106 total violations: 56 health-based violations (MCL exceedances or treatment failures), 40 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in NPS ECHO BAY water?
No PFAS testing data is available for NPS ECHO BAY under the EPA's UCMR5 monitoring program.
What water source does NPS ECHO BAY use?
NPS ECHO BAY 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial