Public water system · CO0115838
ActiveWest Paonia Domestic Water Company
At a glance
West Paonia Domestic Water Company (PWSID CO0115838) is an active community water system in Delta County, Colorado. It reports serving 57 people through 24 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
57
Service connections
24
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does West Paonia Domestic Water Company compare with other water systems in Delta County?
By EPA's size categories, West Paonia Domestic Water Company is a very small system (500 people or fewer). Delta County has 42 active public water systems. Its population served is well below the county average of 660 people per system, and accounts for 0.2% of the 27,718 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 West Paonia Domestic Water Company 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 337 Colorado systems (15%) list purchased surface water as their primary source.
Who owns and regulates West Paonia Domestic Water Company?
EPA lists West Paonia Domestic Water Company 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. 10 of the 42 active systems in Delta County (24%) are also owned by a local government.
Does West Paonia Domestic Water Company have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2023. The violations listed here began between June 2019 and July 2023. By type: 7 monitoring and reporting, 2 public notice, recordkeeping or other, 2 monitoring and 1 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule (4 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 |
|---|---|---|---|---|
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2022-12-27 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-06-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2021-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2019-07-12 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2019-06-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2019-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-06-01 | Required treatment not metTreatment Technique No Certif. Operator · code 12 | Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400 | 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.
West Paonia Domestic Water Company: frequently asked questions
Who runs West Paonia Domestic Water Company?
West Paonia Domestic Water Company (PWSID CO0115838) is a community water system owned by a local government. It is regulated by the CO state drinking water program.
How many people does West Paonia Domestic Water Company serve?
West Paonia Domestic Water Company reports serving 57 people through 24 service connections in Delta County, Colorado.
Where does West Paonia Domestic Water Company get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does West Paonia Domestic Water Company have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 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 West Paonia Domestic Water Company'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, one is health-based, and the most recent began in July 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 West Paonia Domestic Water Company's water quality report?
As a community water system, West Paonia Domestic Water Company 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 Delta County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Delta City of | Delta | 8,700 | Community | Purchased surface water |
| Orchard City Town of | Delta | 3,100 | Community | Groundwater under influence of surface water |
| Upper Surface Creek Domestic Wua | Delta | 2,800 | Community | Surface water |
| Paonia Town of | Delta | 2,499 | Community | Groundwater under influence of surface water |
| Cedaredge Town of | Delta | 2,400 | Community | Surface water |
| Hotchkiss Town of | Delta | 2,050 | 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, “West Paonia Domestic Water Company, PWSID CO0115838, Colorado”, https://aquacensus.com/water-systems/colorado/west-paonia-domestic-water-company-co0115838 (data as of October 1, 2026).