Public water system · CO0107719
ActiveSpring Valley Mutual Wa
At a glance
Spring Valley Mutual Wa (PWSID CO0107719) is an active community water system in Boulder County, Colorado. It reports serving 100 people through 36 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in July 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
36
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Spring Valley Mutual Wa compare with other water systems in Boulder County?
By EPA's size categories, Spring Valley Mutual Wa is a very small system (500 people or fewer). Boulder County has 81 active public water systems. Its population served is well below the county average of 5,397 people per system, and accounts for less than 0.1% of the 437,116 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 Spring Valley Mutual 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. 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 Spring Valley Mutual Wa?
EPA lists Spring Valley Mutual 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. 53 of the 81 active systems in Boulder County (65%) are also privately owned.
Does Spring Valley Mutual Wa have drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in July 2023. The violations listed here began between January 2018 and July 2023. By type: 2 public notice, recordkeeping or other, 2 required treatment not met and 1 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 5 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 |
| 2018-12-27 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2018-11-30 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2018-02-08 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2018-01-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
All 5 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.
Spring Valley Mutual Wa: frequently asked questions
Who runs Spring Valley Mutual Wa?
Spring Valley Mutual Wa (PWSID CO0107719) is a community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Spring Valley Mutual Wa serve?
Spring Valley Mutual Wa reports serving 100 people through 36 service connections in Boulder County, Colorado.
Where does Spring Valley Mutual Wa 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 Spring Valley Mutual Wa have any drinking water violations?
EPA's records list 5 violations for this system; 2 are 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 Spring Valley Mutual 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. EPA's records list 5 violations for this system; 2 are 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 Spring Valley Mutual Wa's water quality report?
As a community water system, Spring Valley Mutual 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 Boulder County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Boulder City of | Boulder | 166,080 | Community | Surface water |
| Longmont City of | Boulder | 104,178 | Community | Surface water |
| Erie Town of | Boulder | 47,444 | Community | Surface water |
| Lafayette City of | Boulder | 28,700 | Community | Surface water |
| Louisville City of | Boulder | 20,975 | Community | Surface water |
| Left Hand Wd | Boulder | 20,280 | 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, “Spring Valley Mutual Wa, PWSID CO0107719, Colorado”, https://aquacensus.com/water-systems/colorado/spring-valley-mutual-wa-co0107719 (data as of October 1, 2026).