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Community Water System · PWS CO0121475

Monument Town Of

Monument, Colorado 80132 - drinking water served from groundwater sources to 5,740 people, tracked in EPA SDWIS and UCMR5.

5,740
People served
178
EPA violations
53
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 178 drinking-water violations at Monument Town Of, 30% of them health-based - above the Colorado per-system average.

178
Total EPA violations on record
30%
Health-based (MCL / treatment failure)
5,740
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Monument Town Of

Monument Town Of is a local-owned community water system that delivers drinking water to 5,740 residents in Monument, Colorado (El Paso County) through 1,825 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 178 total violations for this system , of which 53 (30%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 123 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 53 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Monument Town Of's 178 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
5,740
Total Violations
178
Health-Based Violations
53
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,825
County
El Paso
School/Daycare
No
MCL Violations
53
Monitoring Violations
123
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 53 2021
1,2,4-Trichlorobenzene MR 4 2010
cis-1,2-Dichloroethylene MR 4 2010
Xylenes, Total MR 4 2010
p-Dichlorobenzene MR 4 2010
trans-1,2-Dichloroethylene MR 4 2010
1,1,1-Trichloroethane MR 4 2010
Carbon tetrachloride MR 4 2010
1,2-Dichloropropane MR 4 2010
Trichloroethylene MR 4 2010
CHLOROBENZENE MR 4 2010
Styrene MR 4 2010
1,1,2-Trichloroethane MR 4 2010
Benzene MR 4 2010
Ethylbenzene MR 4 2010
1,2-Dichloroethane MR 4 2010
Toluene MR 4 2010
o-Dichlorobenzene MR 4 2010
DICHLOROMETHANE MR 4 2010
Vinyl chloride MR 4 2010
Tetrachloroethylene MR 4 2010
1,1-Dichloroethylene MR 4 2010
Mercury MR 3 2008
Beryllium, Total MR 3 2008
Lead and Copper Rule MR 3 2022
Nickel MR 3 2008
Barium MR 3 2008
Fluoride MR 3 2008
Antimony, Total MR 3 2008
Thallium, Total MR 3 2008

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 348 samples detected PFAS.

Contaminant Date Result MRL Status
NEtFOSAA 7/9/2024 <5.00 ppt 5.00 ppt Not Detected
PFTA 7/9/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 7/9/2024 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 7/9/2024 <6.00 ppt 6.00 ppt Not Detected
11Cl-PF3OUdS 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFOA 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 6/10/2024 <2.00 ppt 2.00 ppt Not Detected
PFOS 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFTrDA 6/10/2024 <7.00 ppt 7.00 ppt Not Detected
PFHxA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 6/10/2024 <2.00 ppt 2.00 ppt Not Detected
NEtFOSAA 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 6/10/2024 <8.00 ppt 8.00 ppt Not Detected
NMeFOSAA 6/10/2024 <6.00 ppt 6.00 ppt Not Detected
PFEESA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
ADONA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 6/10/2024 <20.00 ppt 20.00 ppt Not Detected
PFMBA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFPeS 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeS 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFTA 6/10/2024 <8.00 ppt 8.00 ppt Not Detected
NMeFOSAA 6/10/2024 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 6/10/2024 <7.00 ppt 7.00 ppt Not Detected
PFHpS 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFOS 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFUnA 6/10/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFBS 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 6/10/2024 <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 Monument Town 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 CO0121475 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 Monument Town 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
2022 Lead and Copper Rule MR 3 SDWIS / CO0121475 / 5000
2021 Combined Radium (-226 and -228) MCL 53 SDWIS / CO0121475 / 4010
2010 1,2,4-Trichlorobenzene MR 4 SDWIS / CO0121475 / 2378
2010 cis-1,2-Dichloroethylene MR 4 SDWIS / CO0121475 / 2380
2010 Xylenes, Total MR 4 SDWIS / CO0121475 / 2955
2010 p-Dichlorobenzene MR 4 SDWIS / CO0121475 / 2969
2010 trans-1,2-Dichloroethylene MR 4 SDWIS / CO0121475 / 2979
2010 1,1,1-Trichloroethane MR 4 SDWIS / CO0121475 / 2981
2010 Carbon tetrachloride MR 4 SDWIS / CO0121475 / 2982
2010 1,2-Dichloropropane MR 4 SDWIS / CO0121475 / 2983
2010 Trichloroethylene MR 4 SDWIS / CO0121475 / 2984
2010 CHLOROBENZENE MR 4 SDWIS / CO0121475 / 2989
2010 Styrene MR 4 SDWIS / CO0121475 / 2996
2010 1,1,2-Trichloroethane MR 4 SDWIS / CO0121475 / 2985
2010 Benzene MR 4 SDWIS / CO0121475 / 2990

How Monument Town Of Compares

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

Metric Monument Town Of Colorado avg Federal benchmark
Total violations 178 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 53 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 5,740 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 Monument Town Of water safe to drink?
Monument Town Of (PWS ID: CO0121475) has 178 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 5,740 people using Groundwater sources.
How many people does Monument Town Of serve?
Monument Town Of serves 5,740 people in Monument, Colorado. It is a Local-owned system using Groundwater water sources with 1,825 service connections.
What type of violations does Monument Town Of have?
Monument Town Of has 178 total violations: 53 health-based violations (MCL exceedances or treatment failures), 123 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Monument Town Of water?
No. Monument Town Of was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Monument Town Of use?
Monument Town Of 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. 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.