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Community Water System · PWS CO0101110

North Washington Wua

Brighton, Colorado 80602 - drinking water served from groundwater sources to 90 people, tracked in EPA SDWIS and UCMR5.

90
People served
565
EPA violations
15
Health-based
Untested
UCMR5 result

The verdict

EPA records 565 drinking-water violations at North Washington Wua, 3% of them health-based - above the Colorado per-system average.

565
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
90
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: North Washington Wua

North Washington Wua is a private-owned community water system that delivers drinking water to 90 residents in Brighton, Colorado (Adams County) through 36 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 565 total violations for this system , of which 15 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 516 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Public Notice, recorded in 21 violations (Other). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Colorado, EPA tracks 2,193 public water systems serving 7,473,456 people, with 238,796 cumulative violations and 30,589 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 108.9 violations. Statewide, 37 of 163 UCMR5-tested systems have reported PFAS detections (22.7%).

North Washington Wua's 565 violations sit above the Colorado 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
90
Total Violations
565
Health-Based Violations
15
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
36
County
Adams
School/Daycare
No
MCL Violations
0
Monitoring Violations
516
Treatment Tech Violations
15

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Public Notice Other 21 2025
Arsenic MR 17 2020
Chromium MR 17 2020
Cadmium MR 17 2020
Antimony, Total MR 17 2020
Selenium MR 17 2020
Thallium, Total MR 17 2020
Mercury MR 17 2020
Beryllium, Total MR 17 2020
Barium MR 17 2020
Nickel MR 17 2020
Coliform (TCR) MR 13 2012
Nitrate MR 11 2007
Fluoride MR 11 2005
Groundwater Rule TT 10 2024
Xylenes, Total MR 9 2020
Lead and Copper Rule MR 9 2023
HEXACHLOROBENZENE MR 9 2020
Hexachlorocyclopentadiene MR 9 2020
Ethylbenzene MR 9 2020
Total Polychlorinated Biphenyls (PCB) MR 6 2020
Heptachlor epoxide MR 6 2020
Heptachlor MR 6 2020
Methoxychlor MR 6 2020
BHC-GAMMA MR 6 2020
Endrin MR 6 2020
o-Dichlorobenzene MR 6 2020
p-Dichlorobenzene MR 6 2020
trans-1,2-Dichloroethylene MR 6 2020
Carbon tetrachloride MR 6 2020

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 North Washington Wua.

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 CO0101110 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Colorado Drinking Water Authority

Colorado Department of Public Health and Environment, Water Quality Control is the primacy agency that licenses and inspects North Washington Wua under EPA-delegated authority.

Open CO regulator portal

Source: Colorado Department of Public Health and Environment, Water Quality Control

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
2025 Public Notice Other 21 SDWIS / CO0101110 / 7500
2024 Groundwater Rule TT 10 SDWIS / CO0101110 / 0700
2024 Revised Total Coliform Rule Other 2 SDWIS / CO0101110 / 8000
2023 Lead and Copper Rule MR 9 SDWIS / CO0101110 / 5000
2023 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 5 SDWIS / CO0101110 / 0400
2020 Arsenic MR 17 SDWIS / CO0101110 / 1005
2020 Chromium MR 17 SDWIS / CO0101110 / 1020
2020 Cadmium MR 17 SDWIS / CO0101110 / 1015
2020 Antimony, Total MR 17 SDWIS / CO0101110 / 1074
2020 Selenium MR 17 SDWIS / CO0101110 / 1045
2020 Thallium, Total MR 17 SDWIS / CO0101110 / 1085
2020 Mercury MR 17 SDWIS / CO0101110 / 1035
2020 Beryllium, Total MR 17 SDWIS / CO0101110 / 1075
2020 Barium MR 17 SDWIS / CO0101110 / 1010
2020 Nickel MR 17 SDWIS / CO0101110 / 1036

How North Washington Wua Compares

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

Metric North Washington Wua Colorado avg Federal benchmark
Total violations 565 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 15 13.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 22.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 90 3,408 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,193 regulated public water systems in Colorado.

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 North Washington Wua water safe to drink? ▼
North Washington Wua (PWS ID: CO0101110) has 565 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 90 people using Groundwater sources.
How many people does North Washington Wua serve? ▼
North Washington Wua serves 90 people in Brighton, Colorado. It is a Private-owned system using Groundwater water sources with 36 service connections.
What type of violations does North Washington Wua have? ▼
North Washington Wua has 565 total violations: 15 health-based violations (MCL exceedances or treatment failures), 516 monitoring/reporting violations, and 15 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in North Washington Wua water? ▼
No PFAS testing data is available for North Washington Wua under the EPA's UCMR5 monitoring program.
What water source does North Washington Wua use? ▼
North Washington Wua uses Groundwater 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. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

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.