Public water system · NN3500256
ActiveCasamero Lake-Smith Lake NTUA
At a glance
Casamero Lake-Smith Lake NTUA (PWSID NN3500256) is an active community water system in New Mexico. It reports serving 906 people through 265 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
906
Service connections
265
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Casamero Lake-Smith Lake NTUA compare with other water systems in New Mexico?
By EPA's size categories, Casamero Lake-Smith Lake NTUA is a small system (501 to 3,300 people). 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 Casamero Lake-Smith Lake NTUA 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 Casamero Lake-Smith Lake NTUA?
EPA lists Casamero Lake-Smith Lake NTUA as Native American-owned. The NN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.
Does Casamero Lake-Smith Lake NTUA have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2016. The violations listed here began between April 2014 and April 2016. By type: 9 monitoring and reporting, 2 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Glyphosate (3 of them). EPA lists 11 as resolved and 1 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 |
|---|---|---|---|---|
| 2016-04-01 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Unaddressed |
| 2014-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Diquatcode 2032 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,3,7,8-TCDD (dioxin)code 2063 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Glyphosatecode 2034 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endothallcode 2033 | No | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Glyphosatecode 2034 | No | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endothallcode 2033 | No | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Diquatcode 2032 | No | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,3,7,8-TCDD (dioxin)code 2063 | No | Resolved |
| 2014-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2014-07-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Glyphosatecode 2034 | 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.
Casamero Lake-Smith Lake NTUA: frequently asked questions
Who runs Casamero Lake-Smith Lake NTUA?
Casamero Lake-Smith Lake NTUA (PWSID NN3500256) is a community water system Native American-owned. It is regulated by the NN state drinking water program.
How many people does Casamero Lake-Smith Lake NTUA serve?
Casamero Lake-Smith Lake NTUA reports serving 906 people through 265 service connections in New Mexico.
Where does Casamero Lake-Smith Lake NTUA 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 Casamero Lake-Smith Lake NTUA have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2016. 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 Casamero Lake-Smith Lake NTUA'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, one is health-based, and the most recent began in April 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the NN state drinking water program.
Where can I find Casamero Lake-Smith Lake NTUA's water quality report?
As a community water system, Casamero Lake-Smith Lake NTUA 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 New Mexico
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Albuquerque Water System | Bernalillo | 560,326 | Community | Surface water |
| Rio Rancho Water & Ww Services | Sandoval | 107,350 | Community | Purchased surface water |
| Las Cruces Municipal Water System | Dona Ana | 98,175 | Community | Groundwater |
| Santa Fe Water System (City of) | Santa Fe | 90,810 | Community | Surface water |
| Roswell Municipal Water System | Chaves | 54,025 | Community | Groundwater |
| Farmington Water System | San Juan | 47,655 | 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, “Casamero Lake-Smith Lake NTUA, PWSID NN3500256, New Mexico”, https://aquacensus.com/water-systems/new-mexico/casamero-lake-smith-lake-ntua-nn3500256 (data as of October 1, 2026).