No health-based violations on EPA record since 2016.
Serves about 5,346 people (1,306 connections) with surface water bought from North Fort Bend Water Authority.
From EPA's record for TX0790366. PurityMap is independent of Fort Bend County MUD 118.
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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 March 2023 to December 2023.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 14.9 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 | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluorohexanesulfonic acid (PFHxS) | 3.1 ng/L | 10 ng/L federal MCL (2024) | Within a historical reference; current applicability unverified | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluorobutanesulfonic acid (PFBS) | 3.2 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 | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluorohexanoic acid (PFHxA) | 6.3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluorobutanoic acid (PFBA) | 7.8 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluoropentanoic acid (PFPeA) | 6.7 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| 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 | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| 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 | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| 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 | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| 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 | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| 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 | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-13 to 2023-12-14 | UCMR5 Analytical Results: FORT BEND COUNTY MUD 118 (TX0790366) |
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 118's phone number on EPA record is 713-652-6500. Its mailing address is 2727 ALLEN PKWY STE 1100, HOUSTON, TX 77019-2191.
According to EPA's record, Fort Bend County MUD 118 uses surface water bought from North Fort Bend Water Authority.
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 118's latest lead and copper round, which ended in December 2025, was 1.75 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Fort Bend County MUD 118. Its phone number on EPA record is 713-652-6500. Its mailing address on EPA record is 2727 ALLEN PKWY STE 1100, HOUSTON, TX 77019-2191. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.