Public water system · NM3590427
ActivePercha Dam State Park
At a glance
Percha Dam State Park (PWSID NM3590427) is an active transient non-community water system in Sierra County, New Mexico. It reports serving 25 people through 44 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in April 1997.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
44
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Percha Dam State Park compare with other water systems in Sierra County?
By EPA's size categories, Percha Dam State Park is a very small system (500 people or fewer). Sierra County has 21 active public water systems. Its population served is well below the county average of 550 people per system, and accounts for 0.2% of the 11,551 people reported by systems filed under the county. Across New Mexico, the 1,165 active systems average 1,885 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Percha Dam State Park is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. New Mexico has 369 active transient non-community water systems, 32% of the state's 1,165 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,009 New Mexico systems (87%) list groundwater as their primary source.
Who owns and regulates Percha Dam State Park?
EPA lists Percha Dam State Park as owned by a state government. The NM state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 5 of the 21 active systems in Sierra County (24%) are also owned by a state government.
Does Percha Dam State Park have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in April 1997. The violations listed here began between May 1993 and April 1997. By type: 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 2 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1997-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-05-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 3 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.
Percha Dam State Park: frequently asked questions
Who runs Percha Dam State Park?
Percha Dam State Park (PWSID NM3590427) is a transient non-community water system owned by a state government. It is regulated by the NM state drinking water program.
How many people does Percha Dam State Park serve?
Percha Dam State Park reports serving 25 people through 44 service connections in Sierra County, New Mexico.
Where does Percha Dam State Park 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 Percha Dam State Park have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in April 1997. 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 Percha Dam State Park'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 3 violations for this system; none is health-based, and the most recent began in April 1997. For current results, consult EPA ECHO, or the NM state drinking water program.
Where can I find Percha Dam State Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Percha Dam State Park is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Sierra County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Truth Or Consequences | Sierra | 6,783 | Community | Groundwater |
| Elephant Butte Water System | Sierra | 2,286 | Community | Groundwater |
| Elephant Butte, City of | Sierra | 1,350 | Community | Groundwater |
| Desert View Rv Park | Sierra | 220 | Transient non-community | Groundwater |
| Hillsboro Mdwca | Sierra | 172 | Community | Groundwater |
| National Rcs Test Facility | Sierra | 100 | Non-transient non-community | Groundwater |
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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, “Percha Dam State Park, PWSID NM3590427, New Mexico”, https://aquacensus.com/water-systems/new-mexico/percha-dam-state-park-nm3590427 (data as of October 1, 2026).