Public water system · NM3500427

Active

Monticello Rv Park

At a glance

Monticello Rv Park (PWSID NM3500427) is an active transient non-community water system in Sierra County, New Mexico. It reports serving 25 people through 66 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in March 2026.

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

Population served

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNM3500427

System typeTransient non-community water system

Activity statusActive

Population served25

Service connections66

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyNM state drinking water program

City servedElephant Butte

StateNew Mexico

ZIP—

CountySierra County

How does Monticello Rv Park compare with other water systems in Sierra County?

By EPA's size categories, Monticello Rv 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 Monticello Rv 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 Monticello Rv Park?

EPA lists Monticello Rv Park as privately owned. 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. 8 of the 21 active systems in Sierra County (38%) are also privately owned.

Does Monticello Rv Park have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in March 2026. The violations listed here began between January 2012 and March 2026. By type: 5 public notice, recordkeeping or other, 4 monitoring and 3 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (5 of them). EPA lists 10 as resolved and 2 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

Began	Violation	Contaminant or rule	Health-based	Status
2026-03-19	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Unaddressed
2023-03-19	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2022-10-30	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2022-08-07	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2022-02-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2021-08-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2021-06-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2016-06-02	Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A	Revised Total Coliform Rulecode 8000	No	Resolved
2016-06-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2013-07-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2013-04-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed
2012-01-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	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.

Monticello Rv Park: frequently asked questions

Who runs Monticello Rv Park?

Monticello Rv Park (PWSID NM3500427) is a transient non-community water system privately owned. It is regulated by the NM state drinking water program.

How many people does Monticello Rv Park serve?

Monticello Rv Park reports serving 25 people through 66 service connections in Sierra County, New Mexico.

Where does Monticello Rv 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 Monticello Rv Park 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 March 2026. 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 Monticello Rv 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in March 2026. For current results, consult EPA ECHO, or the NM state drinking water program.

Where can I find Monticello Rv Park's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Monticello Rv 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, “Monticello Rv Park, PWSID NM3500427, New Mexico”, https://aquacensus.com/water-systems/new-mexico/monticello-rv-park-nm3500427 (data as of October 1, 2026).