No health-based violations on EPA record since 2016.
Serves about 5,310 people (1,770 connections) with groundwater bought from Brazoria County MUD 21.
From EPA's record for TX0200706. PurityMap is independent of Brazoria County MUD 22.
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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 May 2025 to November 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 24.3 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 | 2025-05-19 to 2025-11-05 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| 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 | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| 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 | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| 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 | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| 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 | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| 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 | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-19 | UCMR5 Analytical Results: BRAZORIA COUNTY MUD 22 (TX0200706) |
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 →Brazoria County MUD 22's phone number on EPA record is 713-860-6653. Its mailing address is 3200 SOUTHWEST FWY STE 2600, HOUSTON, TX 77027-7537.
According to EPA's record, Brazoria County MUD 22 uses groundwater bought from Brazoria County MUD 21.
No health-based violations on EPA record since 2016. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Brazoria County MUD 22'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 Brazoria County MUD 22. Its phone number on EPA record is 713-860-6653. Its mailing address on EPA record is 3200 SOUTHWEST FWY STE 2600, HOUSTON, TX 77027-7537. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.