No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting October 2019.
Serves about 4,089 people (1,663 connections) with surface water bought from Kentucky-American Water Co, Buffalo Trail Water Assoc, Western Fleming Water District and 2 more.
From EPA's record for KY0910314. PurityMap is independent of Nicholas Co Water District.
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11 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Oct–Dec 2019 | Haloacetic acids (HAA5) | 0.061 mg/L | 0.060 mg/L | Resolved |
| Apr–Jun 2019 | Haloacetic acids (HAA5) | 0.069 mg/L | 0.060 mg/L | Resolved |
| Jan–Mar 2019 | Haloacetic acids (HAA5) | 0.061 mg/L | 0.060 mg/L | Resolved |
| Oct–Dec 2018 | Haloacetic acids (HAA5) | 0.065 mg/L | 0.060 mg/L | Resolved |
| Jul–Sep 2018 | Haloacetic acids (HAA5) | 0.067 mg/L | 0.060 mg/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2018 | Total trihalomethanes (TTHM) | 0.081 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2018 | Haloacetic acids (HAA5) | 0.069 mg/L | 0.060 mg/L | Resolved |
| Oct–Dec 2017 | Total trihalomethanes (TTHM) | 0.088 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2017 | Haloacetic acids (HAA5) | 0.064 mg/L | 0.060 mg/L | Resolved |
| Jul–Sep 2017 | Total trihalomethanes (TTHM) | 0.083 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2017 | Total trihalomethanes (TTHM) | 0.086 mg/L | 0.080 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2025 to November 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS) | 15 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| 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 | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| 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 | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| 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 | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| 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 | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| 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 | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| 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 | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-11-03 | UCMR5 Analytical Results: NICHOLAS CO WATER DISTRICT (KY0910314) |
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 →Nicholas Co Water District's phone number on EPA record is 859-289-3157. Its mailing address is 1639 OLD PARIS RD, CALISLE, KY 40311.
According to EPA's record, Nicholas Co Water District uses surface water bought from Kentucky-American Water Co, Buffalo Trail Water Assoc, Western Fleming Water District and 2 more.
EPA's record shows 11 health-based violations for Nicholas Co Water 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 October 2019. EPA also lists 10 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Nicholas Co Water District's latest lead and copper round, which ended in December 2023, was 4 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Nicholas Co Water District. Its phone number on EPA record is 859-289-3157. Its mailing address on EPA record is 1639 OLD PARIS RD, CALISLE, KY 40311. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.