No health-based violations on EPA record since 2016.
Serves about 4,713 people (1,448 connections) with groundwater bought from Fort Bend County MUD 149 and Fort Bend County MUD 115 Riverstone.
From EPA's record for TX0790437. PurityMap is independent of Fort Bend County MUD 129.
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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 June 2024 to December 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 21.8 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 | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluoropentanoic acid (PFPeA) | 26.3 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| 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 | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| 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 | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| 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 | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| 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 | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| 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 | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| 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 | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-06-11 to 2024-12-03 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 129 (TX0790437) |
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 →Fort Bend County MUD 129's phone number on EPA record is 281-500-6050. Its mailing address is 202 CENTURY SQUARE BLVD, SUGAR LAND, TX 77478-3796.
According to EPA's record, Fort Bend County MUD 129 uses groundwater bought from Fort Bend County MUD 149 and Fort Bend County MUD 115 Riverstone.
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 129's latest lead and copper round, which ended in December 2024, was 0.6 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Fort Bend County MUD 129. Its phone number on EPA record is 281-500-6050. Its mailing address on EPA record is 202 CENTURY SQUARE BLVD, SUGAR LAND, TX 77478-3796. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.