No health-based violations on EPA record since 2016.
Serves about 3,366 people (1,122 connections) with surface water bought from Grand Mission MUD 1, Fort Bend County MUD 50, Fort Bend County MUD 123 and 1 more.
From EPA's record for TX0790416. PurityMap is independent of Fort Bend County MUD 122.
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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 January 2024 to October 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 16.7 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 | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluorohexanesulfonic acid (PFHxS) | 3.7 ng/L | 10 ng/L federal MCL (2024) | Within a historical reference; current applicability unverified | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluorobutanesulfonic acid (PFBS) | 3.6 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Within the referenced health-based guidance value | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluorohexanoic acid (PFHxA) | 6.9 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluorobutanoic acid (PFBA) | 9.5 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluoropentanoic acid (PFPeA) | 7 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| 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 | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| 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 | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| 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 | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| 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 | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| 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 | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-22 to 2024-10-08 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 122 (TX0790416) |
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 122's phone number on EPA record is 713-860-6400. Its mailing address is 3200 SOUTHWEST FWY STE 2600, HOUSTON, TX 77027-7537.
According to EPA's record, Fort Bend County MUD 122 uses surface water bought from Grand Mission MUD 1, Fort Bend County MUD 50, Fort Bend County MUD 123 and 1 more.
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 122's latest lead and copper round, which ended in December 2025, was 0.9 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Fort Bend County MUD 122. Its phone number on EPA record is 713-860-6400. 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.