Public water system · NM3501126
ActiveLa Mariposa Montessori School
At a glance
La Mariposa Montessori School (PWSID NM3501126) is an active non-transient non-community water system in Santa Fe County, New Mexico. It reports serving 96 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; none is health-based, and the most recent began in October 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
96
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does La Mariposa Montessori School compare with other water systems in Santa Fe County?
By EPA's size categories, La Mariposa Montessori School is a very small system (500 people or fewer). Santa Fe County has 84 active public water systems. Its population served is well below the county average of 1,849 people per system, and accounts for less than 0.1% of the 155,343 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 non-transient non-community water system reports serving 430 people, so La Mariposa Montessori School is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. New Mexico has 151 active non-transient non-community water systems, 13% 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 La Mariposa Montessori School?
EPA lists La Mariposa Montessori School 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. 33 of the 84 active systems in Santa Fe County (39%) are also owned by a local government.
Does La Mariposa Montessori School have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in October 2017. The violations listed here began between January 2005 and October 2017. By type: 4 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2017-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2014-02-18 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2013-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2011-12-07 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2010-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
All 6 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.
La Mariposa Montessori School: frequently asked questions
Who runs La Mariposa Montessori School?
La Mariposa Montessori School (PWSID NM3501126) is a non-transient non-community water system owned by a local government. It is regulated by the NM state drinking water program.
How many people does La Mariposa Montessori School serve?
La Mariposa Montessori School reports serving 96 people through 1 service connection in Santa Fe County, New Mexico.
Where does La Mariposa Montessori School 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 La Mariposa Montessori School have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in October 2017. 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 La Mariposa Montessori School'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 6 violations for this system; none is health-based, and the most recent began in October 2017. For current results, consult EPA ECHO, or the NM state drinking water program.
Where can I find La Mariposa Montessori School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. La Mariposa Montessori School is a non-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 Santa Fe County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Santa Fe Water System (City of) | Santa Fe | 90,810 | Community | Surface water |
| Entranosa Water Association | Santa Fe + 1 more | 8,500 | Community | Groundwater |
| Eldorado Area Water and Sanitation Dist. | Santa Fe | 7,082 | Community | Purchased surface water |
| Epcor Water New Mexico Inc.., Edgewood | Santa Fe | 6,795 | Community | Groundwater |
| Santa Fe County South Sector | Santa Fe | 6,775 | Community | Purchased surface water |
| El Rancho De Los Golondrinas | Santa Fe | 4,500 | 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, “La Mariposa Montessori School, PWSID NM3501126, New Mexico”, https://aquacensus.com/water-systems/new-mexico/la-mariposa-montessori-school-nm3501126 (data as of October 1, 2026).