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Water utility · Ouachita Parish · Louisiana

West Hwy 80 Ark Road WS

No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting April 2021.

Serves about 14,649 people (4,883 connections) with groundwater from its own wells.

  • PWSID LA1073055
  • EPA registered name: WEST HWY 80 ARK ROAD WS
  • EPA record checked June 23, 2026
Contact

Contact West Hwy 80 Ark Road WS

From EPA's record for LA1073055. PurityMap is independent of West Hwy 80 Ark Road WS.

Mailing address
GREATER OUACHITA WATER COMPANY, PO BOX 1257
WEST MONROE, LA 71294
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EPA compliance record

What EPA's record shows

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

  • Total trihalomethanes (TTHM), a by-product of disinfecting water with chlorine, were above the legal limit in 5 quarters since July 2019.
Recent health-based violations for West Hwy 80 Ark Road WS (PWSID LA1073055)
PeriodContaminantMeasuredLegal limitEPA status
Apr–Jun 2021Total trihalomethanes (TTHM)0.089 mg/L0.080 mg/LResolved
From January 2021Groundwater Rule––Resolved
Apr–Jun 2020Total trihalomethanes (TTHM)0.085 mg/L0.080 mg/LResolved
Jan–Mar 2020Total trihalomethanes (TTHM)0.081 mg/L0.080 mg/LResolved
Oct–Dec 2019Total trihalomethanes (TTHM)0.088 mg/L0.080 mg/LResolved
Show all 6
PeriodContaminantMeasuredLegal limitEPA status
Jul–Sep 2019Total trihalomethanes (TTHM)0.084 mg/L0.080 mg/LResolved
  • Lead: the 90th-percentile result in the latest lead and copper round (the round ending December 31, 2023) was 3 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 24 enforcement actions in 10 years; the latest on July 23, 2025.
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 November 2024 to May 2025.

  • LithiumWithin the referenced health-based guidance value
    10 µg/L EPA health reference level · not a legal limit
    9.74µg/L
Results as a table30 results with limit, status, sample date and source
EPA-required lab results (UCMR 5) for West Hwy 80 Ark Road WS (PWSID LA1073055), Louisiana
ContaminantResultLimitStatusSampledSource
Lithium9.74 µg/L10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limitWithin the referenced health-based guidance value2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS)< 2 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals)< 5 ng/L10 ng/L federal MCL (2024)Not detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)< 6 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)< 20 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluoro-3-methoxypropanoic acid (PFMPA)< 4 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluoro-4-methoxybutanoic acid (PFMBA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
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 limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluorobutanoic acid (PFBA)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluorodecanoic acid (PFDA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluorododecanoic acid (PFDoA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluoroheptanesulfonic acid (PFHpS)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluoroheptanoic acid (PFHpA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluorohexanesulfonic acid (PFHxS)< 3 ng/L10 ng/L federal MCL (2024)Not detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluorohexanoic acid (PFHxA)< 3 ng/L400,000 ng/L Michigan EGLE state MCL (strictest US state)Not detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluorononanoic acid (PFNA)< 4 ng/L10 ng/L federal MCL (2024)Not detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluorooctanesulfonic acid (PFOS)< 4 ng/L4.0 ng/L federal MCL (2024)Not detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluorooctanoic acid (PFOA)< 4 ng/L4.0 ng/L federal MCL (2024)Not detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluoropentanesulfonic acid (PFPeS)< 4 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluoropentanoic acid (PFPeA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluorotetradecanoic acid (PFTA)< 8 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluorotridecanoic acid (PFTrDA)< 7 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
Perfluoroundecanoic acid (PFUnA)< 2 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2024-11-12 to 2025-05-15UCMR5 Analytical Results: WEST HWY 80 ARK ROAD WS (LA1073055)
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

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  • Screening: quick check, not lab-grade

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    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 West Hwy 80 Ark Road WS?

West Hwy 80 Ark Road WS's phone number on EPA record is 318-322-3741. Its mailing address is GREATER OUACHITA WATER COMPANY, PO BOX 1257, WEST MONROE, LA 71294.

Where does West Hwy 80 Ark Road WS get its water?

According to EPA's record, West Hwy 80 Ark Road WS uses groundwater from its own wells.

Does West Hwy 80 Ark Road WS have any EPA violations?

EPA's record shows 6 health-based violations for West Hwy 80 Ark Road WS 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 2021. The record comes from EPA's SDWIS compliance database.

What is West Hwy 80 Ark Road WS's latest lead result?

The 90th-percentile lead result in West Hwy 80 Ark Road WS's latest lead and copper round, which ended in December 2023, was 3 µg/L, below the federal action level of 15 µg/L.

Who do I contact about my West Hwy 80 Ark Road WS water bill?

PurityMap has no verified website for West Hwy 80 Ark Road WS. Its phone number on EPA record is 318-322-3741. Its mailing address on EPA record is GREATER OUACHITA WATER COMPANY, PO BOX 1257, WEST MONROE, LA 71294. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.