Public water system · CO0101080
ActiveHigh Plains Wua
At a glance
High Plains Wua (PWSID CO0101080) is an active community water system in Adams County, Colorado. It reports serving 200 people through 97 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in September 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
97
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does High Plains Wua compare with other water systems in Adams County?
By EPA's size categories, High Plains Wua is a very small system (500 people or fewer). Adams County has 82 active public water systems. Its population served is well below the county average of 8,669 people per system, and accounts for less than 0.1% of the 710,822 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 High Plains Wua 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,437 Colorado systems (65%) list groundwater as their primary source.
Who owns and regulates High Plains Wua?
EPA lists High Plains Wua 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. 62 of the 82 active systems in Adams County (76%) are also privately owned.
Does High Plains Wua have drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in September 2020. The violations listed here began between January 1993 and September 2020. By type: 4 monitoring and reporting, 2 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2020-09-18 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Resolved |
| 2015-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2004-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1995-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1995-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 7 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.
High Plains Wua: frequently asked questions
Who runs High Plains Wua?
High Plains Wua (PWSID CO0101080) is a community water system privately owned. It is regulated by the CO state drinking water program.
How many people does High Plains Wua serve?
High Plains Wua reports serving 200 people through 97 service connections in Adams County, Colorado.
Where does High Plains Wua get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does High Plains Wua have any drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in September 2020. 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 High Plains Wua'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. EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in September 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find High Plains Wua's water quality report?
As a community water system, High Plains Wua 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 Adams County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Thornton City of | Adams | 226,465 | Community | Surface water |
| Westminster City of | Adams | 202,078 | Community | Surface water |
| South Adams County Wsd | Adams | 75,559 | Community | Purchased surface water |
| Brighton City of | Adams | 56,304 | Community | Purchased surface water |
| Northglenn City of | Adams | 48,927 | Community | Surface water |
| Crestview Wsd | Adams | 23,756 | Community | Purchased 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, “High Plains Wua, PWSID CO0101080, Colorado”, https://aquacensus.com/water-systems/colorado/high-plains-wua-co0101080 (data as of October 1, 2026).