Public water system · CO0104700
ActivePiedra Park Md
At a glance
Piedra Park Md (PWSID CO0104700) is an active community water system in Archuleta County, Colorado. It reports serving 850 people through 208 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in July 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
850
Service connections
208
Primary source
GU
Groundwater under influence of surface water
System type
CWS
Community water system
System record
How does Piedra Park Md compare with other water systems in Archuleta County?
By EPA's size categories, Piedra Park Md is a small system (501 to 3,300 people). Archuleta County has 16 active public water systems, and Piedra Park Md is the 4th-largest of them by population served. Its population served is about 14% below the county average of 991 people per system, and accounts for 5.4% of the 15,857 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 Piedra Park Md 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 under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 166 Colorado systems (7.5%) list groundwater under influence of surface water as their primary source.
Who owns and regulates Piedra Park Md?
EPA lists Piedra Park 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. 3 of the 16 active systems in Archuleta County (19%) are also owned by a local government.
Does Piedra Park Md have drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in July 2024. The violations listed here began between July 2007 and July 2024. By type: 8 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (3 of them). EPA lists 9 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 |
|---|---|---|---|---|
| 2024-07-09 | Required treatment not metTreatment Technique No Certif. Operator · code 12 | Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400 | Yes | Resolved |
| 2024-06-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2024-06-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2024-05-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2024-05-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2023-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2019-10-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2019-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2007-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 9 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.
Piedra Park Md: frequently asked questions
Who runs Piedra Park Md?
Piedra Park Md (PWSID CO0104700) is a community water system owned by a local government. It is regulated by the CO state drinking water program.
How many people does Piedra Park Md serve?
Piedra Park Md reports serving 850 people through 208 service connections in Archuleta County, Colorado.
Where does Piedra Park Md get its water?
EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.
Does Piedra Park Md have any drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in July 2024. 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 Piedra Park 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 9 violations for this system; 1 is health-based, and the most recent began in July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Piedra Park Md's water quality report?
As a community water system, Piedra Park 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 Archuleta County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pagosa Area Wsd | Archuleta | 11,069 | Community | Surface water |
| Navajo State Park | Archuleta | 2,015 | Transient non-community | Groundwater |
| San Juan River Village Md | Archuleta | 877 | Community | Groundwater under influence of surface water |
| Aspen Springs Md | Archuleta | 290 | Community | Groundwater |
| Alpine Lakes Ranch Wc | Archuleta | 158 | Community | Purchased surface water |
| Pagosa Springs Rv Park | Archuleta | 114 | Transient non-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, “Piedra Park Md, PWSID CO0104700, Colorado”, https://aquacensus.com/water-systems/colorado/piedra-park-md-co0104700 (data as of October 1, 2026).