No health-based violations on EPA record since 2016.
Serves about 4,083 people (1,428 connections) with surface water bought from Faulkey Gully MUD, Lake Forest Utility District and North Harris County Regional Water Autho.
From EPA's record for TX1010512. PurityMap is independent of Harris County MUD 18 Heatherwood Hunters.
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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 2024 to December 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 29.2 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 | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluorohexanoic acid (PFHxA) | 4 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluoropentanoic acid (PFPeA) | 6 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| 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 | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| 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 | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| 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 | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| 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 | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| 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 | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| 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 | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-03-13 to 2024-12-11 | UCMR5 Analytical Results: HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS (TX1010512) |
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 →Harris County MUD 18 Heatherwood Hunters'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, Harris County MUD 18 Heatherwood Hunters uses surface water bought from Faulkey Gully MUD, Lake Forest Utility District and North Harris County Regional Water Autho.
No health-based violations on EPA record since 2016. EPA also lists 1 missed or late test or report in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Harris County MUD 18 Heatherwood Hunters's latest lead and copper round, which ended in December 2023. The federal action level is 15 µg/L.
PurityMap has no verified website for Harris County MUD 18 Heatherwood Hunters. 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.