Total trihalomethanes (TTHM) above the legal limit in the period starting January 2026; 5 open health-based violations on EPA record.
Serves about 9,500 people (4,000 connections) with surface water from its own intake.
From EPA's record for TX2140006. PurityMap is independent of City of La Grulla.
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13 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2026 | Total trihalomethanes (TTHM) | 0.093 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2025 | Total trihalomethanes (TTHM) | 0.091 mg/L | 0.080 mg/L | Archived |
| From August 2025 | E. coli | – | – | Unaddressed |
| From May 2025 | E. coli | – | – | Unaddressed |
| From March 2025 | E. coli | – | – | Unaddressed |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From December 2024 | E. coli | – | – | Unaddressed |
| From October 2024 | Lead and copper rule revisions | – | – | Unaddressed |
| From March 2024 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| From February 2024 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| From January 2024 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| From December 2023 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| From February 2022 | Interim Enhanced Surface Water Treatment Rule | – | – | Resolved |
| From June 2021 | E. coli | – | – | Resolved |
EPA required this system to test for 5 unregulated and emerging contaminants, from March 2025 to July 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 40 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Above the referenced health-based guidance value | 2025-03-17 to 2025-07-09 | UCMR5 Analytical Results: CITY OF LA GRULLA (TX2140006) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-06 to 2025-07-09 | UCMR5 Analytical Results: CITY OF LA GRULLA (TX2140006) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-06 to 2025-07-09 | UCMR5 Analytical Results: CITY OF LA GRULLA (TX2140006) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-06 to 2025-07-09 | UCMR5 Analytical Results: CITY OF LA GRULLA (TX2140006) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-06 to 2025-07-09 | UCMR5 Analytical Results: CITY OF LA GRULLA (TX2140006) |
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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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.
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Follow this water →City of La Grulla's phone number on EPA record is 956-487-3341. Its mailing address is PO BOX 197, LA GRULLA, TX 78548-0197.
According to EPA's record, City of La Grulla uses surface water from its own intake.
EPA's record shows 13 health-based violations for City of La Grulla in the 10 years to July 9, 2026. Total trihalomethanes (TTHM) were above the legal limit in the period starting January 2026. EPA's record also shows 5 open health-based violations. EPA also lists 39 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 City of La Grulla's latest lead and copper round, which ended in December 2025. The federal action level is 15 µg/L.
PurityMap has no verified website for City of La Grulla. Its phone number on EPA record is 956-487-3341. Its mailing address on EPA record is PO BOX 197, LA GRULLA, TX 78548-0197. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.