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Community Water System · PWS CO0136100

Aguilar Town Of

Aguilar, Colorado 81020 - drinking water served from groundwater sources to 447 people, tracked in EPA SDWIS and UCMR5.

447
People served
155
EPA violations
11
Health-based
Untested
UCMR5 result

The verdict

EPA records 155 drinking-water violations at Aguilar Town Of, 7% of them health-based - above the Colorado per-system average.

155
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
447
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Aguilar Town Of

Aguilar Town Of is a local-owned community water system that delivers drinking water to 447 residents in Aguilar, Colorado (Las Animas County) through 443 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 155 total violations for this system , of which 11 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 133 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 Coliform (TCR), recorded in 39 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%).

Aguilar Town Of's 155 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
447
Total Violations
155
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
443
County
Las Animas
School/Daycare
No
MCL Violations
2
Monitoring Violations
133
Treatment Tech Violations
9

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 39 2011
Nitrate MR 15 2012
Chlorine MR 9 2023
Public Notice Other 8 2022
Lead and Copper Rule MR 7 2024
Surface Water Treatment Rule MR 6 2019
Surface Water Treatment Rule TT 6 2017
Revised Total Coliform Rule MON 6 2023
Fluoride MR 4 2005
Barium MR 4 2005
Chromium MR 4 2005
Thallium, Total MR 4 2005
Cadmium MR 4 2005
E. COLI MR 4 2010
Selenium MR 4 2005
Mercury MR 4 2005
Arsenic MR 4 2005
Nickel MR 4 2005
Antimony, Total MR 4 2005
Beryllium, Total MR 4 2005
Gross Alpha, Excl. Radon and U MR 3 1999
Groundwater Rule TT 3 2020
Coliform (TCR) MCL 2 1991
Consumer Confidence Rule Other 2 2003

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 Aguilar 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 CO0136100 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 Aguilar 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
2024 Lead and Copper Rule MR 7 SDWIS / CO0136100 / 5000
2023 Chlorine MR 9 SDWIS / CO0136100 / 0999
2023 Revised Total Coliform Rule MON 6 SDWIS / CO0136100 / 8000
2022 Public Notice Other 8 SDWIS / CO0136100 / 7500
2020 Groundwater Rule TT 3 SDWIS / CO0136100 / 0700
2019 Surface Water Treatment Rule MR 6 SDWIS / CO0136100 / 0200
2017 Surface Water Treatment Rule TT 6 SDWIS / CO0136100 / 0200
2012 Nitrate MR 15 SDWIS / CO0136100 / 1040
2011 Coliform (TCR) MR 39 SDWIS / CO0136100 / 3100
2010 E. COLI MR 4 SDWIS / CO0136100 / 3014
2005 Fluoride MR 4 SDWIS / CO0136100 / 1025
2005 Barium MR 4 SDWIS / CO0136100 / 1010
2005 Chromium MR 4 SDWIS / CO0136100 / 1020
2005 Thallium, Total MR 4 SDWIS / CO0136100 / 1085
2005 Cadmium MR 4 SDWIS / CO0136100 / 1015

How Aguilar Town Of Compares

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

Metric Aguilar Town Of Colorado avg Federal benchmark
Total violations 155 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 11 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 447 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 Aguilar Town Of water safe to drink? ▼
Aguilar Town Of (PWS ID: CO0136100) has 155 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 447 people using Groundwater sources.
How many people does Aguilar Town Of serve? ▼
Aguilar Town Of serves 447 people in Aguilar, Colorado. It is a Local-owned system using Groundwater water sources with 443 service connections.
What type of violations does Aguilar Town Of have? ▼
Aguilar Town Of has 155 total violations: 11 health-based violations (MCL exceedances or treatment failures), 133 monitoring/reporting violations, and 9 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Aguilar Town Of water? ▼
No PFAS testing data is available for Aguilar Town Of under the EPA's UCMR5 monitoring program.
What water source does Aguilar Town Of use? ▼
Aguilar 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. 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.