No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting July 2022.
Serves about 3,395 people (1,486 connections) with groundwater from its own wells.
From EPA's record for KS2003720. PurityMap is independent of City of Frontenac.
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12 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From July 2022 | Combined radium-226/228 | 6 pCi/L | 5 pCi/L | Resolved |
| From April 2022 | Combined radium-226/228 | 6 pCi/L | 5 pCi/L | Resolved |
| From January 2022 | Combined radium-226/228 | 6 pCi/L | 5 pCi/L | Resolved |
| From October 2021 | Combined radium-226/228 | 6 pCi/L | 5 pCi/L | Resolved |
| From January 2021 | Combined radium-226/228 | 6 pCi/L | 5 pCi/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From October 2020 | Combined radium-226/228 | 6 pCi/L | 5 pCi/L | Resolved |
| From July 2020 | Combined radium-226/228 | 6 pCi/L | 5 pCi/L | Resolved |
| From April 2020 | Combined radium-226/228 | 7 pCi/L | 5 pCi/L | Resolved |
| From October 2019 | Combined radium-226/228 | 6 pCi/L | 5 pCi/L | Resolved |
| From January 2018 | Combined radium-226/228 | 6 pCi/L | 5 pCi/L | Resolved |
| From October 2017 | Combined radium-226/228 | 6 pCi/L | 5 pCi/L | Resolved |
| From July 2017 | Combined radium-226/228 | 6 pCi/L | 5 pCi/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, in May 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 114 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Above the referenced health-based guidance value | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| 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 | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| 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 | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| 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 | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| 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 | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| 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 | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| 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 | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-05-20 | UCMR5 Analytical Results: FRONTENAC, CITY OF (KS2003720) |
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.
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Follow this water →City of Frontenac's phone number on EPA record is 620-231-9210. Its mailing address is 313 E MCKAY ST, PO BOX 1012, FRONTENAC, KS 66763-1012.
According to EPA's record, City of Frontenac uses groundwater from its own wells.
EPA's record shows 12 health-based violations for City of Frontenac 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 July 2022. EPA also lists 5 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in City of Frontenac's latest lead and copper round, which ended in December 2025. The federal action level is 15 µg/L.
PurityMap has no verified website for City of Frontenac. Its phone number on EPA record is 620-231-9210. Its mailing address on EPA record is 313 E MCKAY ST, PO BOX 1012, FRONTENAC, KS 66763-1012. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.