No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting January 2018.
Serves about 11,997 people (5,766 connections) with groundwater bought from Owensboro Municipal Utilities and Daviess Co Water District.
From EPA's record for KY0300109. PurityMap is independent of E Daviess Co Water Assoc Inc.
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3 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2018 | Total trihalomethanes (TTHM) | 0.091 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2017 | Total trihalomethanes (TTHM) | 0.105 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2017 | Total trihalomethanes (TTHM) | 0.094 mg/L | 0.080 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from March 2023 to September 2023.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanoic acid (PFOA) | 5 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| 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 | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| 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 | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| 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 | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| 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 | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| 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 | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Lithium | < 9 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-18 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-18 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluorobutanesulfonic acid (PFBS) | < 3 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-18 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-05-18 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-03-14 to 2023-09-06 | UCMR5 Analytical Results: E DAVIESS CO WATER ASSOC INC (KY0300109) |
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 →E Daviess Co Water Assoc Inc's phone number on EPA record is 270-281-5187. Its mailing address is 9210 STATE RTE 144, KNOTTSVILLE, KY 42366.
According to EPA's record, E Daviess Co Water Assoc Inc uses groundwater bought from Owensboro Municipal Utilities and Daviess Co Water District.
EPA's record shows 3 health-based violations for E Daviess Co Water Assoc Inc 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 January 2018. EPA also lists 2 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in E Daviess Co Water Assoc Inc's latest lead and copper round, which ended in December 2023, was 3.61 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for E Daviess Co Water Assoc Inc. Its phone number on EPA record is 270-281-5187. Its mailing address on EPA record is 9210 STATE RTE 144, KNOTTSVILLE, KY 42366. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.