Public water system · CO0134530

Active

Lake Durango Wa

At a glance

Lake Durango Wa (PWSID CO0134530) is an active community water system in La Plata County, Colorado. It reports serving 1,577 people through 631 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2022.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

1,577

Service connections

631

Primary source

Surface water

System type

CWS

Community water system

System record

PWSIDCO0134530

System typeCommunity water system

Activity statusActive

Population served1,577

Service connections631

Primary water sourceSurface water

Owner typePrivate

Primacy agencyCO state drinking water program

City served—

StateColorado

ZIP—

CountyLa Plata County

How does Lake Durango Wa compare with other water systems in La Plata County?

By EPA's size categories, Lake Durango Wa is a small system (501 to 3,300 people). La Plata County has 108 active public water systems, and Lake Durango Wa is the 5th-largest of them by population served. Its population served is about 173% above the county average of 577 people per system, and accounts for 2.5% 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 Lake Durango Wa is well below 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 Lake Durango Wa?

EPA lists Lake Durango Wa as privately owned. 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. 84 of the 108 active systems in La Plata County (78%) are also privately owned.

Does Lake Durango Wa have drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2022. The violations listed here began between October 2018 and July 2022. By type: 8 monitoring and reporting, 2 required treatment not met, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 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
2022-07-08	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2022-06-01	Required treatment not metTreatment Technique No Certif. Operator · code 12	Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400	Yes	Resolved
2022-01-01	Monitoring and reportingMonitoring, Regular · code 03	Di(2-ethylhexyl) phthalatecode 2039	No	Resolved
2021-01-01	Monitoring and reportingMonitoring, Regular · code 03	Di(2-ethylhexyl) phthalatecode 2039	No	Resolved
2020-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chloritecode 1009	No	Resolved
2019-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chloritecode 1009	No	Resolved
2019-09-10	Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35	Haloacetic acids (HAA5)code 2456	No	Resolved
2019-04-24	Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35	Total trihalomethanes (TTHM)code 2950	No	Resolved
2019-01-14	Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35	Total trihalomethanes (TTHM)code 2950	No	Resolved
2018-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2018-10-01	Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
2018-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	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.

Lake Durango Wa: frequently asked questions

Who runs Lake Durango Wa?

Lake Durango Wa (PWSID CO0134530) is a community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Lake Durango Wa serve?

Lake Durango Wa reports serving 1,577 people through 631 service connections in La Plata County, Colorado.

Where does Lake Durango Wa 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 Lake Durango Wa have any drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2022. 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 Lake Durango Wa'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, 3 are health-based, and the most recent began in July 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.

Where can I find Lake Durango Wa's water quality report?

As a community water system, Lake Durango Wa 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
Durango City of	La Plata	33,787	Community	Surface water
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
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, “Lake Durango Wa, PWSID CO0134530, Colorado”, https://aquacensus.com/water-systems/colorado/lake-durango-wa-co0134530 (data as of October 1, 2026).