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Non-Transient Non-Community Water System · PWS CO0234480

Durango la Plata Airport

Durango, Colorado 81303 - drinking water served from surface water sources to 780 people, tracked in EPA SDWIS and UCMR5.

780
People served
479
EPA violations
146
Health-based
Untested
UCMR5 result

The verdict

EPA records 479 drinking-water violations at Durango la Plata Airport, 30% of them health-based - above the Colorado per-system average.

479
Total EPA violations on record
30%
Health-based (MCL / treatment failure)
780
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Durango la Plata Airport

Durango la Plata Airport is a local-owned non-transient non-community water system that delivers drinking water to 780 residents in Durango, Colorado (La Plata County) through 37 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 479 total violations for this system , of which 146 (30%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 320 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 TTHM, recorded in 111 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%).

Durango la Plata Airport's 479 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
780
Total Violations
479
Health-Based Violations
146
Water Source
Surface Water

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
37
County
La Plata
School/Daycare
No
MCL Violations
111
Monitoring Violations
320
Treatment Tech Violations
35

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 111 2020
Surface Water Treatment Rule TT 27 2004
Surface Water Treatment Rule MR 21 2023
Interim Enhanced Surface Water Treatment Rule MR 15 2023
Coliform (TCR) MR 12 2008
DICHLOROMETHANE MR 11 2011
o-Dichlorobenzene MR 11 2011
p-Dichlorobenzene MR 11 2011
1,1-Dichloroethylene MR 11 2011
1,2-Dichloroethane MR 11 2011
1,1,1-Trichloroethane MR 11 2011
Carbon tetrachloride MR 11 2011
Tetrachloroethylene MR 11 2011
1,1,2-Trichloroethane MR 11 2011
CHLOROBENZENE MR 11 2011
Benzene MR 11 2011
Styrene MR 11 2011
cis-1,2-Dichloroethylene MR 11 2011
1,2,4-Trichlorobenzene MR 11 2011
Xylenes, Total MR 11 2011
trans-1,2-Dichloroethylene MR 11 2011
1,2-Dichloropropane MR 11 2011
Trichloroethylene MR 11 2011
Vinyl chloride MR 11 2011
Ethylbenzene MR 11 2011
Lead and Copper Rule MR 11 2025
Toluene MR 11 2011
E. COLI MR 6 2018
Chlorine MR 6 2023
TTHM MR 6 2020

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 Durango la Plata Airport.

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 CO0234480 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 Durango la Plata Airport 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 Lead and Copper Rule MR 11 SDWIS / CO0234480 / 5000
2023 Surface Water Treatment Rule MR 21 SDWIS / CO0234480 / 0200
2023 Interim Enhanced Surface Water Treatment Rule MR 15 SDWIS / CO0234480 / 0300
2023 Chlorine MR 6 SDWIS / CO0234480 / 0999
2023 Revised Total Coliform Rule MON 3 SDWIS / CO0234480 / 8000
2022 Lead and Copper Rule TT 4 SDWIS / CO0234480 / 5000
2020 TTHM MCL 111 SDWIS / CO0234480 / 2950
2020 TTHM MR 6 SDWIS / CO0234480 / 2950
2020 Total Haloacetic Acids (HAA5) MR 3 SDWIS / CO0234480 / 2456
2019 Public Notice Other 2 SDWIS / CO0234480 / 7500
2018 E. COLI MR 6 SDWIS / CO0234480 / 3014
2018 Interim Enhanced Surface Water Treatment Rule TT 4 SDWIS / CO0234480 / 0300
2011 DICHLOROMETHANE MR 11 SDWIS / CO0234480 / 2964
2011 o-Dichlorobenzene MR 11 SDWIS / CO0234480 / 2968
2011 p-Dichlorobenzene MR 11 SDWIS / CO0234480 / 2969

How Durango la Plata Airport Compares

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

Metric Durango la Plata Airport Colorado avg Federal benchmark
Total violations 479 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 146 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 780 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 Durango la Plata Airport water safe to drink? ▼
Durango la Plata Airport (PWS ID: CO0234480) has 479 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 780 people using Surface Water sources.
How many people does Durango la Plata Airport serve? ▼
Durango la Plata Airport serves 780 people in Durango, Colorado. It is a Local-owned system using Surface Water water sources with 37 service connections.
What type of violations does Durango la Plata Airport have? ▼
Durango la Plata Airport has 479 total violations: 146 health-based violations (MCL exceedances or treatment failures), 320 monitoring/reporting violations, and 35 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Durango la Plata Airport water? ▼
No PFAS testing data is available for Durango la Plata Airport under the EPA's UCMR5 monitoring program.
What water source does Durango la Plata Airport use? ▼
Durango la Plata Airport uses Surface Water as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.