No health-based violations on EPA record since 2016.
Serves about 3,936 people (1,312 connections) with surface water bought from City of Houston and Rolling Fork PUD.
From EPA's record for TX1010496. PurityMap is independent of Harris County MUD 6 Carriage Lane.
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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 | 27 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 | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluorohexanesulfonic acid (PFHxS) | 3.6 ng/L | 10 ng/L federal MCL (2024) | Within a historical reference; current applicability unverified | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluorobutanesulfonic acid (PFBS) | 3.7 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 | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluorohexanoic acid (PFHxA) | 7.4 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluorobutanoic acid (PFBA) | 10.5 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluoropentanoic acid (PFPeA) | 8.1 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| 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 | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| 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 | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| 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 | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| 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 | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| 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 | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-17 to 2024-10-14 | UCMR5 Analytical Results: HARRIS COUNTY MUD 6 CARRIAGE LANE (TX1010496) |
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 6 Carriage Lane'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 6 Carriage Lane uses surface water bought from City of Houston and Rolling Fork PUD.
No health-based violations on EPA record since 2016. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Harris County MUD 6 Carriage Lane's latest lead and copper round, which ended in December 2023, was 2.2 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Harris County MUD 6 Carriage Lane. 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.