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Water utility · Iberia Parish · Louisiana

Iberia Water Works District 3

No open health-based violations on EPA record in the last 10 years.

Serves about 8,775 people (2,925 connections) with groundwater from its own wells.

  • PWSID LA1045002
  • EPA registered name: IBERIA WATER WORKS DISTRICT 3 - COTEAU
  • EPA record checked June 23, 2026
Contact

Contact Iberia Water Works District 3

From EPA's record for LA1045002. PurityMap is independent of Iberia Water Works District 3.

Mailing address
Iberia Water Works District 3 - Coteau, 4104 Coteau Road
NEW IBERIA, LA 70560
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EPA compliance record

What EPA's record shows

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

Recent health-based violations for Iberia Water Works District 3 (PWSID LA1045002)
PeriodContaminantMeasuredLegal limitEPA status
From May 2022Groundwater Rule––Resolved
From May 2022Groundwater Rule––Resolved
From May 2022Groundwater Rule––Resolved
From May 2022Groundwater Rule––Resolved
From October 2019Groundwater Rule––Resolved
  • Lead: the 90th-percentile result in the latest lead and copper round (the round ending December 31, 2023) was 8 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: 1 in 10 years.
  • EPA lists 14 enforcement actions in 10 years; the latest on July 18, 2022.
Lab results EPA required (UCMR 5)

None of the contaminants were detected in EPA testing

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

Results as a table30 results with limit, status, sample date and source
EPA-required lab results (UCMR 5) for Iberia Water Works District 3 (PWSID LA1045002), Louisiana
ContaminantResultLimitStatusSampledSource
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS)< 2 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals)< 5 ng/L10 ng/L federal MCL (2024)Not detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Lithium< 9 µg/L10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limitNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)< 6 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)< 20 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluoro-3-methoxypropanoic acid (PFMPA)< 4 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluoro-4-methoxybutanoic acid (PFMBA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
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 limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluorobutanoic acid (PFBA)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluorodecanoic acid (PFDA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluorododecanoic acid (PFDoA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluoroheptanesulfonic acid (PFHpS)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluoroheptanoic acid (PFHpA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluorohexanesulfonic acid (PFHxS)< 3 ng/L10 ng/L federal MCL (2024)Not detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluorohexanoic acid (PFHxA)< 3 ng/L400,000 ng/L Michigan EGLE state MCL (strictest US state)Not detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluorononanoic acid (PFNA)< 4 ng/L10 ng/L federal MCL (2024)Not detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluorooctanesulfonic acid (PFOS)< 4 ng/L4.0 ng/L federal MCL (2024)Not detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluorooctanoic acid (PFOA)< 4 ng/L4.0 ng/L federal MCL (2024)Not detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluoropentanesulfonic acid (PFPeS)< 4 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluoropentanoic acid (PFPeA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluorotetradecanoic acid (PFTA)< 8 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluorotridecanoic acid (PFTrDA)< 7 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Perfluoroundecanoic acid (PFUnA)< 2 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-03-14 to 2023-09-13UCMR5 Analytical Results: IBERIA WATER WORKS DISTRICT 3 - COTEAU (LA1045002)
Not detected (30)
  • 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)
  • Lithium
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    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 Iberia Water Works District 3?

Iberia Water Works District 3's phone number on EPA record is 337-367-6111. Its mailing address is Iberia Water Works District 3 - Coteau, 4104 Coteau Road, NEW IBERIA, LA 70560.

Where does Iberia Water Works District 3 get its water?

According to EPA's record, Iberia Water Works District 3 uses groundwater from its own wells.

Does Iberia Water Works District 3 have any EPA violations?

EPA's record shows 5 health-based violations for Iberia Water Works District 3 in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. EPA also lists 1 missed or late test or report in 10 years. The record comes from EPA's SDWIS compliance database.

What is Iberia Water Works District 3's latest lead result?

The 90th-percentile lead result in Iberia Water Works District 3's latest lead and copper round, which ended in December 2023, was 8 µg/L, below the federal action level of 15 µg/L.

Who do I contact about my Iberia Water Works District 3 water bill?

PurityMap has no verified website for Iberia Water Works District 3. Its phone number on EPA record is 337-367-6111. Its mailing address on EPA record is Iberia Water Works District 3 - Coteau, 4104 Coteau Road, NEW IBERIA, LA 70560. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.