No health-based violations on EPA record since 2016.
Serves about 7,356 people (2,452 connections) with groundwater bought from Fort Bend County MUD 134a.
From EPA's record for TX0790532. PurityMap is independent of Fort Bend County MUD 134b.
Are you this utility? Correct this listing →
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 January 2025 to July 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorohexanoic acid (PFHxA) | 4.2 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluorobutanoic acid (PFBA) | 5.5 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluoropentanoic acid (PFPeA) | 4.5 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| 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 | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| 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 | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| 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 | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| 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 | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| 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 | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Lithium | < 9 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2025-01-15 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| 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 | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-04-23 to 2025-07-16 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 134B (TX0790532) |
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 →Fort Bend County MUD 134b's phone number on EPA record is 713-651-0111. Its mailing address is 9 GREENWAY PLZ STE 1000, HOUSTON, TX 77046-0900.
According to EPA's record, Fort Bend County MUD 134b uses groundwater bought from Fort Bend County MUD 134a.
No health-based violations on EPA record since 2016. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Fort Bend County MUD 134b's latest lead and copper round, which ended in December 2023, was 1.62 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Fort Bend County MUD 134b. Its phone number on EPA record is 713-651-0111. Its mailing address on EPA record is 9 GREENWAY PLZ STE 1000, HOUSTON, TX 77046-0900. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.