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Community Water System · PWS CO0115784

Upper Surface Creek Domestic Wua

Cedaredge, Colorado 81413 - drinking water served from surface water sources to 2,800 people, tracked in EPA SDWIS and UCMR5.

2,800
People served
279
EPA violations
71
Health-based
Untested
UCMR5 result

The verdict

EPA records 279 drinking-water violations at Upper Surface Creek Domestic Wua, 25% of them health-based - above the Colorado per-system average.

279
Total EPA violations on record
25%
Health-based (MCL / treatment failure)
2,800
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Upper Surface Creek Domestic Wua

Upper Surface Creek Domestic Wua is a private-owned community water system that delivers drinking water to 2,800 residents in Cedaredge, Colorado (Delta County) through 971 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 279 total violations for this system , of which 71 (25%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 204 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 65 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 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, 98 of 163 UCMR5-tested systems have reported PFAS detections (60.1%).

Upper Surface Creek Domestic Wua's 279 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
2,800
Total Violations
279
Health-Based Violations
71
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
971
County
Delta
School/Daycare
No
MCL Violations
65
Monitoring Violations
204
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 65 2023
Surface Water Treatment Rule MR 27 2021
Revised Total Coliform Rule MON 24 2020
Lead and Copper Rule MR 18 2023
Chlorite MR 6 2020
Long Term 2 Enhanced Surface Water Treatment Rule MR 6 2017
Lead and Copper Rule TT 6 2024
Chlorine MR 6 2019
Total Haloacetic Acids (HAA5) MR 6 2017
Xylenes, Total MR 3 2008
o-Dichlorobenzene MR 3 2008
1,1-Dichloroethylene MR 3 2008
trans-1,2-Dichloroethylene MR 3 2008
1,1,1-Trichloroethane MR 3 2008
1,2-Dichloropropane MR 3 2008
Tetrachloroethylene MR 3 2008
CHLOROBENZENE MR 3 2008
Benzene MR 3 2008
Ethylbenzene MR 3 2008
Cadmium MR 3 2008
Chromium MR 3 2008
Mercury MR 3 2008
Nickel MR 3 2008
Antimony, Total MR 3 2008
Beryllium, Total MR 3 2008
TTHM MR 3 2017
Revised Total Coliform Rule Other 3 2023
Chlorine dioxide MR 3 2023
Styrene MR 3 2008
DICHLOROMETHANE MR 3 2008

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 Upper Surface Creek Domestic 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 CO0115784 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 Upper Surface Creek Domestic 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
2024 Lead and Copper Rule TT 6 SDWIS / CO0115784 / 5000
2023 Total Haloacetic Acids (HAA5) MCL 65 SDWIS / CO0115784 / 2456
2023 Lead and Copper Rule MR 18 SDWIS / CO0115784 / 5000
2023 Revised Total Coliform Rule Other 3 SDWIS / CO0115784 / 8000
2023 Chlorine dioxide MR 3 SDWIS / CO0115784 / 1008
2021 Surface Water Treatment Rule MR 27 SDWIS / CO0115784 / 0200
2021 Interim Enhanced Surface Water Treatment Rule MR 3 SDWIS / CO0115784 / 0300
2020 Revised Total Coliform Rule MON 24 SDWIS / CO0115784 / 8000
2020 Chlorite MR 6 SDWIS / CO0115784 / 1009
2019 Chlorine MR 6 SDWIS / CO0115784 / 0999
2017 Long Term 2 Enhanced Surface Water Treatment Rule MR 6 SDWIS / CO0115784 / 0800
2017 Total Haloacetic Acids (HAA5) MR 6 SDWIS / CO0115784 / 2456
2017 TTHM MR 3 SDWIS / CO0115784 / 2950
2008 Xylenes, Total MR 3 SDWIS / CO0115784 / 2955
2008 o-Dichlorobenzene MR 3 SDWIS / CO0115784 / 2968

How Upper Surface Creek Domestic Wua Compares

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

Metric Upper Surface Creek Domestic Wua Colorado avg Federal benchmark
Total violations 279 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 71 13.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 2,800 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 Upper Surface Creek Domestic Wua water safe to drink?
Upper Surface Creek Domestic Wua (PWS ID: CO0115784) has 279 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,800 people using Surface Water sources.
How many people does Upper Surface Creek Domestic Wua serve?
Upper Surface Creek Domestic Wua serves 2,800 people in Cedaredge, Colorado. It is a Private-owned system using Surface Water water sources with 971 service connections.
What type of violations does Upper Surface Creek Domestic Wua have?
Upper Surface Creek Domestic Wua has 279 total violations: 71 health-based violations (MCL exceedances or treatment failures), 204 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Upper Surface Creek Domestic Wua water?
No PFAS testing data is available for Upper Surface Creek Domestic Wua under the EPA's UCMR5 monitoring program.
What water source does Upper Surface Creek Domestic Wua use?
Upper Surface Creek Domestic Wua 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. 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.