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Community Water System · PWS CO0134180

Durango West MD No 1

Durango, Colorado 81303 - drinking water served from surface water sources to 750 people, tracked in EPA SDWIS and UCMR5.

750
People served
116
EPA violations
7
Health-based
Untested
UCMR5 result

The verdict

EPA records 116 drinking-water violations at Durango West MD No 1, 6% of them health-based - above the Colorado per-system average.

116
Total EPA violations on record
6%
Health-based (MCL / treatment failure)
750
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Durango West MD No 1

Durango West MD No 1 is a local-owned community water system that delivers drinking water to 750 residents in Durango, Colorado (La Plata County) through 253 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 116 total violations for this system , of which 7 (6%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 99 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 15 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%).

Durango West MD No 1's 116 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
750
Total Violations
116
Health-Based Violations
7
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
253
County
La Plata
School/Daycare
No
MCL Violations
7
Monitoring Violations
99
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 15 2013
Chlorine MR 11 2016
Bromate MR 11 2016
Nitrate MR 8 2011
Total Haloacetic Acids (HAA5) MCL 7 2020
Consumer Confidence Rule Other 6 2016
Nitrite MR 4 2006
Total Haloacetic Acids (HAA5) MR 3 2006
TTHM MR 3 2006
Fluoride MR 3 2005
Arsenic MR 3 2005
Barium MR 3 2005
Cadmium MR 3 2005
Mercury MR 3 2005
Nickel MR 3 2005
Thallium, Total MR 3 2005
Selenium MR 3 2005
Beryllium, Total MR 3 2005
Total Polychlorinated Biphenyls (PCB) MR 3 2011
Revised Total Coliform Rule MON 3 2016
Chromium MR 3 2005
Lead and Copper Rule MR 3 2013
Antimony, Total MR 3 2005
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2008

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 West MD No 1.

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 CO0134180 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 West MD No 1 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
2020 Total Haloacetic Acids (HAA5) MCL 7 SDWIS / CO0134180 / 2456
2016 Chlorine MR 11 SDWIS / CO0134180 / 0999
2016 Bromate MR 11 SDWIS / CO0134180 / 1011
2016 Consumer Confidence Rule Other 6 SDWIS / CO0134180 / 7000
2016 Revised Total Coliform Rule MON 3 SDWIS / CO0134180 / 8000
2013 Coliform (TCR) MR 15 SDWIS / CO0134180 / 3100
2013 Lead and Copper Rule MR 3 SDWIS / CO0134180 / 5000
2011 Nitrate MR 8 SDWIS / CO0134180 / 1040
2011 Total Polychlorinated Biphenyls (PCB) MR 3 SDWIS / CO0134180 / 2383
2008 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 SDWIS / CO0134180 / 0600
2006 Nitrite MR 4 SDWIS / CO0134180 / 1041
2006 Total Haloacetic Acids (HAA5) MR 3 SDWIS / CO0134180 / 2456
2006 TTHM MR 3 SDWIS / CO0134180 / 2950
2005 Fluoride MR 3 SDWIS / CO0134180 / 1025
2005 Arsenic MR 3 SDWIS / CO0134180 / 1005

How Durango West MD No 1 Compares

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

Metric Durango West MD No 1 Colorado avg Federal benchmark
Total violations 116 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 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 750 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 West MD No 1 water safe to drink? ▼
Durango West MD No 1 (PWS ID: CO0134180) has 116 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 750 people using Surface Water sources.
How many people does Durango West MD No 1 serve? ▼
Durango West MD No 1 serves 750 people in Durango, Colorado. It is a Local-owned system using Surface Water water sources with 253 service connections.
What type of violations does Durango West MD No 1 have? ▼
Durango West MD No 1 has 116 total violations: 7 health-based violations (MCL exceedances or treatment failures), 99 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Durango West MD No 1 water? ▼
No PFAS testing data is available for Durango West MD No 1 under the EPA's UCMR5 monitoring program.
What water source does Durango West MD No 1 use? ▼
Durango West MD No 1 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. 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.