Public water system · 063502116
ActiveSan Ildefonso Totavi
At a glance
San Ildefonso Totavi (PWSID 063502116) is an active transient non-community water system in New Mexico. It reports serving 700 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as Native American-owned. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
700
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does San Ildefonso Totavi compare with other water systems in New Mexico?
By EPA's size categories, San Ildefonso Totavi 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 transient non-community water system reports serving 144 people, so San Ildefonso Totavi is about 4.9 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. 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 San Ildefonso Totavi?
EPA lists San Ildefonso Totavi as Native American-owned. The EPA Region 06 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.
Does San Ildefonso Totavi have drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2024. The violations listed here began between December 2012 and January 2024. By type: 2 required treatment not met and 1 monitoring and reporting. The contaminant or rule involved most often is Groundwater Rule (2 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 |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Archived |
| 2012-12-01 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2012-12-01 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | 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.
San Ildefonso Totavi: frequently asked questions
Who runs San Ildefonso Totavi?
San Ildefonso Totavi (PWSID 063502116) is a transient non-community water system Native American-owned. It is regulated by the EPA Region 06.
How many people does San Ildefonso Totavi serve?
San Ildefonso Totavi reports serving 700 people through 1 service connection in New Mexico.
Where does San Ildefonso Totavi 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 San Ildefonso Totavi have any drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2024. 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 San Ildefonso Totavi'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; 2 are health-based, and the most recent began in January 2024. For current results, consult EPA ECHO, or the EPA Region 06.
Where can I find San Ildefonso Totavi's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. San Ildefonso Totavi 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 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, “San Ildefonso Totavi, PWSID 063502116, New Mexico”, https://aquacensus.com/water-systems/new-mexico/san-ildefonso-totavi-063502116 (data as of October 1, 2026).