Public water system · CO0119508
ActiveMid Valley Md
At a glance
Mid Valley Md (PWSID CO0119508) is an active community water system in Eagle County, Colorado. It reports serving 4,588 people through 1,712 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in December 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,588
Service connections
1,712
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mid Valley Md compare with other water systems in Eagle County?
By EPA's size categories, Mid Valley Md is a medium system (3,301 to 10,000 people). Eagle County has 46 active public water systems, and Mid Valley Md is the 5th-largest of them by population served. Its population served is about twice the county average of 2,242 people per system, and accounts for 4.4% of the 103,152 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 Mid Valley Md is about 32% 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 Mid Valley Md?
EPA lists Mid Valley Md 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. 12 of the 46 active systems in Eagle County (26%) are also owned by a local government.
Does Mid Valley Md have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in December 2017. The violations listed here began between July 2007 and December 2017. By type: 3 monitoring and reporting, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Chlorine (2 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 |
|---|---|---|---|---|
| 2017-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2009-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2007-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | 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.
Mid Valley Md: frequently asked questions
Who runs Mid Valley Md?
Mid Valley Md (PWSID CO0119508) is a community water system owned by a local government. It is regulated by the CO state drinking water program.
How many people does Mid Valley Md serve?
Mid Valley Md reports serving 4,588 people through 1,712 service connections in Eagle County, Colorado.
Where does Mid Valley Md 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 Mid Valley Md have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in December 2017. 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 Mid Valley Md'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; none is health-based, and the most recent began in December 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Mid Valley Md's water quality report?
As a community water system, Mid Valley Md 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 Eagle County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Eagle River Wsd | Eagle | 51,515 | Community | Surface water |
| Gypsum Town of | Eagle | 15,272 | Community | Surface water |
| Vail Assoc Midvail Eagle | Eagle | 7,600 | Non-transient non-community | Purchased surface water |
| Eagle Town of | Eagle | 7,511 | Community | Surface water |
| Basalt Town of | Eagle | 2,357 | Community | Groundwater under influence of surface water |
| El Jebel MHP | Eagle | 1,962 | Community | Groundwater under influence of 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, “Mid Valley Md, PWSID CO0119508, Colorado”, https://aquacensus.com/water-systems/colorado/mid-valley-md-co0119508 (data as of October 1, 2026).