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Community Water System · PWS CO0101070

Hazeltine Heights Water

Henderson, Colorado 80640 - drinking water served from groundwater sources to 261 people, tracked in EPA SDWIS and UCMR5.

261
People served
286
EPA violations
8
Health-based
Untested
UCMR5 result

The verdict

EPA records 286 drinking-water violations at Hazeltine Heights Water, 3% of them health-based - above the Colorado per-system average.

286
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
261
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hazeltine Heights Water

Hazeltine Heights Water is a local-owned community water system that delivers drinking water to 261 residents in Henderson, Colorado (Adams County) through 88 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 286 total violations for this system , of which 8 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 277 monitoring and reporting violations are on file. The most recent violation on record dates to 2011.

The most frequently cited contaminant at this system is Xylenes, Total, recorded in 27 violations (MR). 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%).

Hazeltine Heights Water's 286 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
261
Total Violations
286
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
88
County
Adams
School/Daycare
No
MCL Violations
8
Monitoring Violations
277
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Xylenes, Total MR 27 2005
Coliform (TCR) MR 23 2005
Coliform (TCR) MCL 8 2011
Nitrate MR 6 2001
Lead and Copper Rule MR 4 2004
Endrin MR 4 2005
Methoxychlor MR 4 2005
Toxaphene MR 4 2005
Dalapon MR 4 2005
Diquat MR 4 2005
Simazine MR 4 2005
Di(2-ethylhexyl) phthalate MR 4 2005
Picloram MR 4 2005
Hexachlorocyclopentadiene MR 4 2005
Aldicarb sulfoxide MR 4 2005
Carbofuran MR 4 2005
Aldicarb MR 4 2005
Atrazine MR 4 2005
Heptachlor MR 4 2005
Heptachlor epoxide MR 4 2005
HEXACHLOROBENZENE MR 4 2005
Pentachlorophenol MR 4 2005
Total Polychlorinated Biphenyls (PCB) MR 4 2005
ETHYLENE DIBROMIDE MR 4 2005
BHC-GAMMA MR 4 2005
Di(2-ethylhexyl) adipate MR 4 2005
2,4-D MR 4 2005
Aldicarb sulfone MR 4 2005
2,4,5-TP MR 4 2005
Dinoseb MR 4 2005

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 Hazeltine Heights Water.

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 CO0101070 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 Hazeltine Heights Water 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
2011 Coliform (TCR) MCL 8 SDWIS / CO0101070 / 3100
2005 Xylenes, Total MR 27 SDWIS / CO0101070 / 2955
2005 Coliform (TCR) MR 23 SDWIS / CO0101070 / 3100
2005 Endrin MR 4 SDWIS / CO0101070 / 2005
2005 Methoxychlor MR 4 SDWIS / CO0101070 / 2015
2005 Toxaphene MR 4 SDWIS / CO0101070 / 2020
2005 Dalapon MR 4 SDWIS / CO0101070 / 2031
2005 Diquat MR 4 SDWIS / CO0101070 / 2032
2005 Simazine MR 4 SDWIS / CO0101070 / 2037
2005 Di(2-ethylhexyl) phthalate MR 4 SDWIS / CO0101070 / 2039
2005 Picloram MR 4 SDWIS / CO0101070 / 2040
2005 Hexachlorocyclopentadiene MR 4 SDWIS / CO0101070 / 2042
2005 Aldicarb sulfoxide MR 4 SDWIS / CO0101070 / 2043
2005 Carbofuran MR 4 SDWIS / CO0101070 / 2046
2005 Aldicarb MR 4 SDWIS / CO0101070 / 2047

How Hazeltine Heights Water Compares

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

Metric Hazeltine Heights Water Colorado avg Federal benchmark
Total violations 286 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 8 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 261 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 Hazeltine Heights Water water safe to drink? ▼
Hazeltine Heights Water (PWS ID: CO0101070) has 286 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 261 people using Groundwater sources.
How many people does Hazeltine Heights Water serve? ▼
Hazeltine Heights Water serves 261 people in Henderson, Colorado. It is a Local-owned system using Groundwater water sources with 88 service connections.
What type of violations does Hazeltine Heights Water have? ▼
Hazeltine Heights Water has 286 total violations: 8 health-based violations (MCL exceedances or treatment failures), 277 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hazeltine Heights Water water? ▼
No PFAS testing data is available for Hazeltine Heights Water under the EPA's UCMR5 monitoring program.
What water source does Hazeltine Heights Water use? ▼
Hazeltine Heights Water 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.