Public water system · NM3593225

Active

Conchas Dam State Park Northside

At a glance

Conchas Dam State Park Northside (PWSID NM3593225) is an active transient non-community water system in San Miguel County, New Mexico. It reports serving 450 people through 137 service connections. Its primary water source is surface water, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in December 2023.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

450

Service connections

137

Primary source

Surface water

System type

TNCWS

Transient non-community water system

System record

PWSIDNM3593225

System typeTransient non-community water system

Activity statusActive

Population served450

Service connections137

Primary water sourceSurface water

Owner typeState government

Primacy agencyNM state drinking water program

City servedConchas Dam

StateNew Mexico

ZIP—

CountySan Miguel County

How does Conchas Dam State Park Northside compare with other water systems in San Miguel County?

By EPA's size categories, Conchas Dam State Park Northside is a very small system (500 people or fewer). San Miguel County has 42 active public water systems, and Conchas Dam State Park Northside is the 4th-largest of them by population served. Its population served is about 20% below the county average of 564 people per system, and accounts for 1.9% of the 23,678 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 Conchas Dam State Park Northside is about 3.1 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 37 New Mexico systems (3.2%) list surface water as their primary source.

Who owns and regulates Conchas Dam State Park Northside?

EPA lists Conchas Dam State Park Northside 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 42 active systems in San Miguel County (12%) are also owned by a state government.

Does Conchas Dam State Park Northside have drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in December 2023. The violations listed here began between April 2010 and December 2023. By type: 6 required treatment not met, 4 monitoring and reporting, 1 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (4 of them). EPA lists 12 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
2023-12-22	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2023-10-01	Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
2022-12-01	Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38	Interim Enhanced Surface Water Treatment Rulecode 0300	No	Resolved
2022-12-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2020-08-18	Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A	Revised Total Coliform Rulecode 8000	Yes	Resolved
2018-11-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2018-11-01	Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
2018-08-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Resolved
2018-08-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2018-08-01	Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
2010-04-01	Required treatment not metFailure Submit Treatment Requirement Rpt · code 33	Long Term 2 Enhanced Surface Water Treatment Rulecode 0800	Yes	Resolved
2010-04-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved

The 12 most recent 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.

Conchas Dam State Park Northside: frequently asked questions

Who runs Conchas Dam State Park Northside?

Conchas Dam State Park Northside (PWSID NM3593225) 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 Conchas Dam State Park Northside serve?

Conchas Dam State Park Northside reports serving 450 people through 137 service connections in San Miguel County, New Mexico.

Where does Conchas Dam State Park Northside get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Conchas Dam State Park Northside have any drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in December 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 Conchas Dam State Park Northside'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. Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in December 2023. For current results, consult EPA ECHO, or the NM state drinking water program.

Where can I find Conchas Dam State Park Northside's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Conchas Dam State Park Northside 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 San Miguel County

Water system	County	Population served	Type	Source
Las Vegas (City of)	San Miguel	14,530	Community	Surface water
Pecos Water System	San Miguel	2,133	Community	Groundwater
Pendaries Mdwca	San Miguel	500	Community	Groundwater
East Pecos Mdwca	San Miguel	413	Community	Groundwater
Pendaries Rv Resort	San Miguel	405	Non-transient non-community	Purchased groundwater
Ilfeld Mdwca	San Miguel	400	Community	Groundwater

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Conchas Dam State Park Northside, PWSID NM3593225, New Mexico”, https://aquacensus.com/water-systems/new-mexico/conchas-dam-state-park-northside-nm3593225 (data as of October 1, 2026).