8 open health-based violations on EPA record.
Serves about 264 people (99 connections) with groundwater from its own wells.
From EPA's record for NM3520005. PurityMap is independent of Longhorn Estates MDWCA.
Are you this utility? Correct this listing →
16 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From February 2025 | Groundwater Rule | – | – | Resolved |
| From February 2025 | Groundwater Rule | – | – | Resolved |
| From February 2025 | Groundwater Rule | – | – | Resolved |
| From February 2025 | Groundwater Rule | – | – | Resolved |
| From February 2025 | Groundwater Rule | – | – | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From January 2025 | E. coli | – | – | Resolved |
| From October 2024 | Lead and copper rule revisions | – | – | Resolved |
| From March 2020 | Groundwater Rule | – | – | Addressed |
| From March 2020 | Groundwater Rule | – | – | Addressed |
| From March 2020 | Groundwater Rule | – | – | Addressed |
| From March 2020 | Groundwater Rule | – | – | Addressed |
| From May 2017 | Groundwater Rule | – | – | Addressed |
| From May 2017 | Groundwater Rule | – | – | Addressed |
| From May 2017 | Groundwater Rule | – | – | Addressed |
| From May 2017 | Groundwater Rule | – | – | Resolved |
| From February 2017 | Groundwater Rule | – | – | Addressed |
No lab results for other contaminants (like PFAS) are on file for this system. EPA required that testing from systems serving more than 3,300 people, plus a sample of smaller ones.
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
As an Amazon Associate, PurityMap earns from qualifying purchases. Affiliate disclosure
Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
Get PurityMap updates about this water system.
Follow this water →Longhorn Estates MDWCA's phone number on EPA record is 505-331-8771. Its mailing address is 9 Rope Rd, CLOVIS, NM 88101.
According to EPA's record, Longhorn Estates MDWCA uses groundwater from its own wells.
EPA's record shows 16 health-based violations for Longhorn Estates MDWCA in the 10 years to July 9, 2026. EPA's record lists 8 open health-based violations. EPA also lists 176 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Longhorn Estates MDWCA's latest lead and copper round, which ended in June 2026. The federal action level is 15 µg/L.
PurityMap has no verified website for Longhorn Estates MDWCA. Its phone number on EPA record is 505-331-8771. Its mailing address on EPA record is 9 Rope Rd, CLOVIS, NM 88101. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.