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Community Water System · PWS CO0103045

Englewood City Of

Englewood, Colorado 80110 - drinking water served from surface water sources to 57,332 people, tracked in EPA SDWIS and UCMR5.

57,332
People served
58
EPA violations
19
Health-based
5 PFAS
UCMR5 result

The verdict

EPA records 58 drinking-water violations at Englewood City Of, 33% of them health-based - below the Colorado per-system average, and UCMR5 testing detected 5 PFAS compounds.

58
Total EPA violations on record
33%
Health-based (MCL / treatment failure)
57,332
People served by this system
5
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Englewood City Of

Englewood City Of is a local-owned community water system that delivers drinking water to 57,332 residents in Englewood, Colorado (Arapahoe County) through 11,322 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 58 total violations for this system , of which 19 (33%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 33 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 Coliform (TCR), recorded in 11 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 5 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 6.4 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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%).

Englewood City Of's 58 violations sit below 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.

PFAS Detected

5 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
57,332
Total Violations
58
Health-Based Violations
19
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
11,322
County
Arapahoe
School/Daycare
No
MCL Violations
16
Monitoring Violations
33
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 11 2012
Coliform (TCR) MR 7 2014
Revised Total Coliform Rule MCL 5 2021
Fluoride MR 4 2007
Lead and Copper Rule MR 4 2007
Total Haloacetic Acids (HAA5) MR 3 2015
Bromate MR 3 2025
Consumer Confidence Rule Other 3 2021
Chloramine MR 3 2022
Surface Water Treatment Rule MR 3 2022
TTHM MR 3 2015
Revised Total Coliform Rule MON 3 2022
Surface Water Treatment Rule TT 3 1996

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 11 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeS 7/11/2024 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 7/11/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 7/11/2024 <8.00 ppt 8.00 ppt Not Detected
8:2 FTS 7/11/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/11/2024 <7.00 ppt 7.00 ppt Not Detected
PFMPA 7/11/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/11/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/11/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/11/2024 <20.00 ppt 20.00 ppt Not Detected
PFHpS 7/11/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/11/2024 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 7/11/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/11/2024 <2.00 ppt 2.00 ppt Not Detected
6:2 FTS 7/11/2024 <5.00 ppt 5.00 ppt Not Detected
PFEESA 7/11/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 7/11/2024 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 7/11/2024 <2.00 ppt 2.00 ppt Not Detected
PFBA 7/11/2024 <5.00 ppt 5.00 ppt Not Detected
PFBS 7/11/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/11/2024 <3.00 ppt 3.00 ppt Not Detected
PFOS 7/11/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 7/11/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 7/11/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/11/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/11/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 7/11/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 7/11/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/11/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpA 7/11/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 4/22/2025 3.50 ppt 3.00 ppt Detected
PFHpA 4/22/2025 <3.00 ppt 3.00 ppt Not Detected
PFOS 4/22/2025 <4.00 ppt 4.00 ppt Not Detected
PFNA 4/22/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 4/22/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 4/22/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 4/22/2025 3.70 ppt 3.00 ppt Detected
PFUnA 4/22/2025 <2.00 ppt 2.00 ppt Not Detected
ADONA 4/22/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 4/22/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 4/22/2025 <5.00 ppt 5.00 ppt Not Detected
PFHxS 4/22/2025 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 4/22/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 4/22/2025 <6.00 ppt 6.00 ppt Not Detected
PFOA 4/22/2025 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 4/22/2025 <2.00 ppt 2.00 ppt Not Detected
6:2 FTS 4/22/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 4/22/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 4/22/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 4/22/2025 <4.00 ppt 4.00 ppt Not Detected
PFMBA 4/22/2025 <3.00 ppt 3.00 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 Englewood City Of.

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 CO0103045 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 Englewood City Of 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 Bromate MR 3 SDWIS / CO0103045 / 1011
2022 Chloramine MR 3 SDWIS / CO0103045 / 1006
2022 Surface Water Treatment Rule MR 3 SDWIS / CO0103045 / 0200
2022 Revised Total Coliform Rule MON 3 SDWIS / CO0103045 / 8000
2021 Revised Total Coliform Rule MCL 5 SDWIS / CO0103045 / 8000
2021 Consumer Confidence Rule Other 3 SDWIS / CO0103045 / 7000
2015 Total Haloacetic Acids (HAA5) MR 3 SDWIS / CO0103045 / 2456
2015 TTHM MR 3 SDWIS / CO0103045 / 2950
2014 Coliform (TCR) MR 7 SDWIS / CO0103045 / 3100
2012 Coliform (TCR) MCL 11 SDWIS / CO0103045 / 3100
2007 Fluoride MR 4 SDWIS / CO0103045 / 1025
2007 Lead and Copper Rule MR 4 SDWIS / CO0103045 / 5000
1996 Surface Water Treatment Rule TT 3 SDWIS / CO0103045 / 0200

How Englewood City Of Compares

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

Metric Englewood City Of Colorado avg Federal benchmark
Total violations 58 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 19 13.9 Indicates a contaminant exceeded a federal MCL
PFAS detection 5 compounds 60.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 57,332 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 Englewood City Of water safe to drink?
Englewood City Of (PWS ID: CO0103045) has 58 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 5 PFAS compounds found. This system serves 57,332 people using Surface Water sources.
How many people does Englewood City Of serve?
Englewood City Of serves 57,332 people in Englewood, Colorado. It is a Local-owned system using Surface Water water sources with 11,322 service connections.
What type of violations does Englewood City Of have?
Englewood City Of has 58 total violations: 19 health-based violations (MCL exceedances or treatment failures), 33 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Englewood City Of water?
Yes. UCMR5 testing detected 5 PFAS compounds in Englewood City Of's water supply: PFBS, PFHxA, PFPeA, PFOA, PFBA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Englewood City Of use?
Englewood City Of 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.