No health-based violations on EPA record since 2016.
Serves about 848 people (326 connections) with surface water bought from South Texas Water Authority.
From EPA's record for TX1780001. PurityMap is independent of City of Agua Dulce.
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No health-based violations in the last 10 years, from EPA's SDWIS compliance database.
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2023 to November 2023.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 23.1 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 | 2023-02-28 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS) | 5.9 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluorobutanoic acid (PFBA) | 16.1 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| 1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| 1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-28 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-28 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluorobutanesulfonic acid (PFBS) | < 3 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-28 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-28 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-08-15 to 2023-11-21 | UCMR5 Analytical Results: CITY OF AGUA DULCE (TX1780001) |
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.
Get PurityMap updates about this water system.
Follow this water →City of Agua Dulce's phone number on EPA record is 361-998-2532. Its mailing address is PO BOX 297, AGUA DULCE, TX 78330-0297.
According to EPA's record, City of Agua Dulce uses surface water bought from South Texas Water Authority.
No health-based violations on EPA record since 2016. EPA also lists 5 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in City of Agua Dulce's latest lead and copper round, which ended in June 2026, was 0.64 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for City of Agua Dulce. Its phone number on EPA record is 361-998-2532. Its mailing address on EPA record is PO BOX 297, AGUA DULCE, TX 78330-0297. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.