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Water utility · Montgomery County · Texas

Montgomery County MUD 89

No health-based violations on EPA record since 2016.

Serves about 4,761 people (1,587 connections) with groundwater from its own wells, and buys water from Spring Creek Utility District and Montgomery County MUD 88.

  • PWSID TX1700717
  • EPA registered name: MONTGOMERY COUNTY MUD 89
  • EPA record checked June 26, 2026
Contact

Contact Montgomery County MUD 89

From EPA's record for TX1700717. PurityMap is independent of Montgomery County MUD 89.

Mailing address
3200 SOUTHWEST FWY STE 2600
HOUSTON, TX 77027-7537
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EPA compliance record

What EPA's record shows

No health-based violations in the last 10 years, from EPA's SDWIS compliance database.

  • Lead: the 90th-percentile result in the latest lead and copper round (the round ending December 31, 2023) was 1.36 µg/L. The federal action level is 15 µg/L, a trigger for more treatment steps, not a legal limit.
  • Missed or late tests or reports: none in 10 years.
  • EPA lists no enforcement actions in 10 years.
Lab results EPA required (UCMR 5)

1 of 30 contaminants detected in EPA testing

EPA required this system to test for 30 unregulated and emerging contaminants, from May 2023 to November 2023.

  • LithiumAbove the referenced health-based guidance value
    10 µg/L EPA health reference level · not a legal limit
    28µg/L
Results as a table30 results with limit, status, sample date and source
EPA-required lab results (UCMR 5) for Montgomery County MUD 89 (PWSID TX1700717), Texas
ContaminantResultLimitStatusSampledSource
Lithium28 µg/L10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limitAbove the referenced health-based guidance value2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS)< 2 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals)< 5 ng/L10 ng/L federal MCL (2024)Not detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)< 6 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)< 20 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluoro-3-methoxypropanoic acid (PFMPA)< 4 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluoro-4-methoxybutanoic acid (PFMBA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluorobutanesulfonic acid (PFBS)< 3 ng/L2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limitNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluorobutanoic acid (PFBA)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluorodecanoic acid (PFDA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluorododecanoic acid (PFDoA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluoroheptanesulfonic acid (PFHpS)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluoroheptanoic acid (PFHpA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluorohexanesulfonic acid (PFHxS)< 3 ng/L10 ng/L federal MCL (2024)Not detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluorohexanoic acid (PFHxA)< 3 ng/L400,000 ng/L Michigan EGLE state MCL (strictest US state)Not detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluorononanoic acid (PFNA)< 4 ng/L10 ng/L federal MCL (2024)Not detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluorooctanesulfonic acid (PFOS)< 4 ng/L4.0 ng/L federal MCL (2024)Not detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluorooctanoic acid (PFOA)< 4 ng/L4.0 ng/L federal MCL (2024)Not detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluoropentanesulfonic acid (PFPeS)< 4 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluoropentanoic acid (PFPeA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluorotetradecanoic acid (PFTA)< 8 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluorotridecanoic acid (PFTrDA)< 7 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Perfluoroundecanoic acid (PFUnA)< 2 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-05-19 to 2023-11-15UCMR5 Analytical Results: MONTGOMERY COUNTY MUD 89 (TX1700717)
Not detected (29)
  • 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)
  • 1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS)
  • 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS)
  • 1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS)
  • 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS)
  • 4,8-Dioxa-3H-perfluorononanoic acid (ADONA)
  • Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals)
  • N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)
  • Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)
  • N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)
  • Perfluorobutanoic acid (PFBA)
  • Perfluorobutanesulfonic acid (PFBS)
  • Perfluorodecanoic acid (PFDA)
  • Perfluorododecanoic acid (PFDoA)
  • Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA)
  • Perfluoroheptanoic acid (PFHpA)
  • Perfluoroheptanesulfonic acid (PFHpS)
  • Perfluorohexanoic acid (PFHxA)
  • Perfluorohexanesulfonic acid (PFHxS)
  • Perfluoro-4-methoxybutanoic acid (PFMBA)
  • Perfluoro-3-methoxypropanoic acid (PFMPA)
  • Perfluorononanoic acid (PFNA)
  • Perfluorooctanoic acid (PFOA)
  • Perfluorooctanesulfonic acid (PFOS)
  • Perfluoropentanoic acid (PFPeA)
  • Perfluoropentanesulfonic acid (PFPeS)
  • Perfluorotetradecanoic acid (PFTA)
  • Perfluorotridecanoic acid (PFTrDA)
  • Perfluoroundecanoic acid (PFUnA)
Commercial · test your own tap

The system record stops at your property line

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 DIY Lead in Drinking Water Combo Test Kit

    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.

Questions

About Montgomery County MUD 89

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What is the phone number for Montgomery County MUD 89?

Montgomery County MUD 89's phone number on EPA record is 713-860-6400. Its mailing address is 3200 SOUTHWEST FWY STE 2600, HOUSTON, TX 77027-7537.

Where does Montgomery County MUD 89 get its water?

According to EPA's record, Montgomery County MUD 89 uses groundwater from its own wells, and buys water from Spring Creek Utility District and Montgomery County MUD 88.

Does Montgomery County MUD 89 have any EPA violations?

No health-based violations on EPA record since 2016. The record comes from EPA's SDWIS compliance database.

What is Montgomery County MUD 89's latest lead result?

The 90th-percentile lead result in Montgomery County MUD 89's latest lead and copper round, which ended in December 2023, was 1.36 µg/L, below the federal action level of 15 µg/L.

Who do I contact about my Montgomery County MUD 89 water bill?

PurityMap has no verified website for Montgomery County MUD 89. 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.