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Water utility · Harris County · Texas

Parkway Utility District

No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting April 2018.

Serves about 7,323 people (2,441 connections) with groundwater from its own wells, and buys water from Greenwood Utility District.

  • PWSID TX1010750
  • EPA registered name: PARKWAY UTILITY DISTRICT
  • EPA record checked June 26, 2026
Contact

Contact Parkway Utility District

From EPA's record for TX1010750. PurityMap is independent of Parkway Utility District.

Mailing address
1301 MCKINNEY ST STE 5100
HOUSTON, TX 77010-3095
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EPA compliance record

What EPA's record shows

1 health-based violation in the last 10 years, from EPA's SDWIS compliance database.

  • Haloacetic acids (HAA5), a by-product of disinfecting water with chlorine, were above the legal limit in the period starting April 2018.
Recent health-based violations for Parkway Utility District (PWSID TX1010750)
PeriodContaminantMeasuredLegal limitEPA status
Apr–Jun 2018Haloacetic acids (HAA5)0.062 mg/L0.060 mg/LResolved
  • Lead: the 90th-percentile result in the latest lead and copper round (the round ending December 31, 2025) was 1.1 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 4 enforcement actions in 10 years; the latest on September 17, 2018.
Lab results EPA required (UCMR 5)

5 of 30 contaminants detected in EPA testing

EPA required this system to test for 30 unregulated and emerging contaminants, from March 2023 to March 2024.

  • LithiumAbove the referenced health-based guidance value
    10 µg/L EPA health reference level · not a legal limit
    19µg/L
  • Perfluorohexanoic acid (PFHxA)Within a historical reference; current applicability unverified
    400,000 ng/L Michigan EGLE state MCL · not a federal limit
    6ng/L
  • Perfluorobutanoic acid (PFBA)Detected, no limit
    No federal limit
    7.6ng/L
  • Perfluorobutanesulfonic acid (PFBS)Within the referenced health-based guidance value
    2,000 ng/L EPA health advisory · not a legal limit
    3.1ng/L
  • Perfluoropentanoic acid (PFPeA)Detected, no limit
    No federal limit
    6.7ng/L
Results as a table30 results with limit, status, sample date and source
EPA-required lab results (UCMR 5) for Parkway Utility District (PWSID TX1010750), Texas
ContaminantResultLimitStatusSampledSource
Lithium19 µg/L10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limitAbove the referenced health-based guidance value2023-03-28 to 2023-12-13UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluorobutanesulfonic acid (PFBS)3.1 ng/L2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limitWithin the referenced health-based guidance value2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluorohexanoic acid (PFHxA)6 ng/L400,000 ng/L Michigan EGLE state MCL (strictest US state)Within a historical reference; current applicability unverified2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluorobutanoic acid (PFBA)7.6 ng/LNo federal or state limit; shown for transparencyDetected, no limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluoropentanoic acid (PFPeA)6.7 ng/LNo federal or state limit; shown for transparencyDetected, no limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS)< 2 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals)< 5 ng/L10 ng/L federal MCL (2024)Not detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2024-03-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)< 6 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2024-03-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)< 20 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluoro-3-methoxypropanoic acid (PFMPA)< 4 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluoro-4-methoxybutanoic acid (PFMBA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluorodecanoic acid (PFDA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluorododecanoic acid (PFDoA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluoroheptanesulfonic acid (PFHpS)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluoroheptanoic acid (PFHpA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluorohexanesulfonic acid (PFHxS)< 3 ng/L10 ng/L federal MCL (2024)Not detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluorononanoic acid (PFNA)< 4 ng/L10 ng/L federal MCL (2024)Not detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluorooctanesulfonic acid (PFOS)< 4 ng/L4.0 ng/L federal MCL (2024)Not detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluorooctanoic acid (PFOA)< 4 ng/L4.0 ng/L federal MCL (2024)Not detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluoropentanesulfonic acid (PFPeS)< 4 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluorotetradecanoic acid (PFTA)< 8 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2024-03-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluorotridecanoic acid (PFTrDA)< 7 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2024-03-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Perfluoroundecanoic acid (PFUnA)< 2 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-28 to 2023-12-19UCMR5 Analytical Results: PARKWAY UTILITY DISTRICT (TX1010750)
Not detected (25)
  • 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)
  • Perfluorodecanoic acid (PFDA)
  • Perfluorododecanoic acid (PFDoA)
  • Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA)
  • Perfluoroheptanoic acid (PFHpA)
  • Perfluoroheptanesulfonic acid (PFHpS)
  • Perfluorohexanesulfonic acid (PFHxS)
  • Perfluoro-4-methoxybutanoic acid (PFMBA)
  • Perfluoro-3-methoxypropanoic acid (PFMPA)
  • Perfluorononanoic acid (PFNA)
  • Perfluorooctanoic acid (PFOA)
  • Perfluorooctanesulfonic acid (PFOS)
  • Perfluoropentanesulfonic acid (PFPeS)
  • Perfluorotetradecanoic acid (PFTA)
  • Perfluorotridecanoic acid (PFTrDA)
  • Perfluoroundecanoic acid (PFUnA)
Commercial · test your own tap

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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

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What is the phone number for Parkway Utility District?

Parkway Utility District's phone number on EPA record is 713-651-5151. Its mailing address is 1301 MCKINNEY ST STE 5100, HOUSTON, TX 77010-3095.

Where does Parkway Utility District get its water?

According to EPA's record, Parkway Utility District uses groundwater from its own wells, and buys water from Greenwood Utility District.

Does Parkway Utility District have any EPA violations?

EPA's record shows 1 health-based violation for Parkway Utility District in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The latest legal-limit breach on record was in the period starting April 2018. The record comes from EPA's SDWIS compliance database.

What is Parkway Utility District's latest lead result?

The 90th-percentile lead result in Parkway Utility District's latest lead and copper round, which ended in December 2025, was 1.1 µg/L, below the federal action level of 15 µg/L.

Who do I contact about my Parkway Utility District water bill?

PurityMap has no verified website for Parkway Utility District. Its phone number on EPA record is 713-651-5151. Its mailing address on EPA record is 1301 MCKINNEY ST STE 5100, HOUSTON, TX 77010-3095. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.