Public water system · NM3571119

Active

Twin Forks Mdwca

At a glance

Twin Forks Mdwca (PWSID NM3571119) is an active community water system in Otero County, New Mexico. It reports serving 1,274 people through 479 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025.

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

Population served

1,274

Service connections

479

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDNM3571119

System typeCommunity water system

Activity statusActive

Population served1,274

Service connections479

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyNM state drinking water program

City servedMayhill

StateNew Mexico

ZIP—

CountyOtero County

How does Twin Forks Mdwca compare with other water systems in Otero County?

By EPA's size categories, Twin Forks Mdwca is a small system (501 to 3,300 people). Otero County has 55 active public water systems. Its population served is roughly in line with the county average of 1,292 people per system, and accounts for 1.8% of the 71,046 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 community water system reports serving 6,703 people, so Twin Forks Mdwca 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. New Mexico has 645 active community water systems, 55% 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 Twin Forks Mdwca?

EPA lists Twin Forks Mdwca as owned by a local 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. 22 of the 55 active systems in Otero County (40%) are also owned by a local government.

Does Twin Forks Mdwca have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025. The violations listed here began between September 2016 and November 2025. By type: 6 monitoring and reporting, 5 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Public Notice (3 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
2025-11-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2025-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2022-06-03	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2021-11-20	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2020-05-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2019-09-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2019-09-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2017-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2016-12-04	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2016-09-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2016-09-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	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.

Twin Forks Mdwca: frequently asked questions

Who runs Twin Forks Mdwca?

Twin Forks Mdwca (PWSID NM3571119) is a community water system owned by a local government. It is regulated by the NM state drinking water program.

How many people does Twin Forks Mdwca serve?

Twin Forks Mdwca reports serving 1,274 people through 479 service connections in Otero County, New Mexico.

Where does Twin Forks Mdwca 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 Twin Forks Mdwca have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025. 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 Twin Forks Mdwca'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, none is health-based, and the most recent began in November 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the NM state drinking water program.

Where can I find Twin Forks Mdwca's water quality report?

As a community water system, Twin Forks Mdwca 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 Otero County

Water system	County	Population served	Type	Source
Alamogordo Domestic Water System	Otero	35,301	Community	Surface water
Holloman Air Force Base	Otero	13,000	Community	Groundwater
Tularosa Water System	Otero	3,485	Community	Surface water
Cloudcroft Water System	Otero	2,865	Community	Groundwater
Timberon W and Sd	Otero	2,698	Community	Groundwater
La Luz Mdwca	Otero	1,917	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, “Twin Forks Mdwca, PWSID NM3571119, New Mexico”, https://aquacensus.com/water-systems/new-mexico/twin-forks-mdwca-nm3571119 (data as of October 1, 2026).