Public water system · CO0134150
ActiveDurango City of
At a glance
City of Durango (PWSID CO0134150) is an active community water system in La Plata County, Colorado. It reports serving 33,787 people through 7,631 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
33,787
Service connections
7,631
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does City of Durango compare with other water systems in La Plata County?
By EPA's size categories, City of Durango is a large system (10,001 to 100,000 people). La Plata County has 108 active public water systems, and City of Durango is the largest of them by population served. Its population served is about 59 times the county average of 577 people per system, and accounts for 54% of the 62,281 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active community water system reports serving 6,703 people, so City of Durango is about 5 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Colorado has 1,068 active community water systems, 48% of the state's 2,207 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 228 Colorado systems (10%) list surface water as their primary source.
Who owns and regulates City of Durango?
EPA lists City of Durango as owned by a local government. The CO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 15 of the 108 active systems in La Plata County (14%) are also owned by a local government.
Does City of Durango have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2023. The violations listed here began between January 2002 and May 2023. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Surface Water Treatment Rule (2 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-05-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2023-05-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2016-11-01 | Monitoring and reportingMonitoring, Source Water (LT2) · code 32 | E. colicode 3014 | No | Resolved |
| 2016-11-01 | Monitoring and reportingMonitoring, Source Water (LT2) · code 32 | Turbiditycode 0100 | No | Resolved |
| 2016-11-01 | Monitoring and reportingMonitoring, Source Water (LT2) · code 32 | Cryptosporidiumcode 3015 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2015-06-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2005-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
City of Durango: frequently asked questions
Who runs City of Durango?
City of Durango (PWSID CO0134150) is a community water system owned by a local government. It is regulated by the CO state drinking water program.
How many people does City of Durango serve?
City of Durango reports serving 33,787 people through 7,631 service connections in La Plata County, Colorado.
Where does City of Durango get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does City of Durango have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2023. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is City of Durango's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find City of Durango's water quality report?
As a community water system, City of Durango must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in La Plata County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Animas Wc | La Plata | 3,096 | Community | Groundwater |
| Bayfield Town of | La Plata | 2,300 | Community | Surface water |
| Forest Lakes Md | La Plata | 1,699 | Community | Groundwater |
| Lake Durango Wa | La Plata | 1,577 | Community | Surface water |
| Purgatory Md | La Plata | 1,364 | Community | Groundwater |
| Edgemont Ranch Md | La Plata | 1,200 | Community | Surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Durango City of, PWSID CO0134150, Colorado”, https://aquacensus.com/water-systems/colorado/durango-city-of-co0134150 (data as of October 1, 2026).