No health-based violations on EPA record since 2016.
Serves about 11,840 people (4,735 connections) with surface water bought from Ft Madison Muni Water Works and Keokuk Municipal Water Works.
From EPA's record for IA0400901. PurityMap is independent of Rathbun Reg Water Assn (Ft Madison).
Are you this utility? Correct this listing →
No health-based violations in the last 10 years, from EPA's SDWIS compliance database.
EPA required this system to test for 30 unregulated and emerging contaminants, from December 2023 to September 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 16 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 | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluorobutanoic acid (PFBA) | 12 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| 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 | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| 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 | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| 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 | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| 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 | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| 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 | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| 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 | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-13 to 2024-09-18 | UCMR5 Analytical Results: RATHBUN REG WATER ASSN (FT MADISON) (IA0400901) |
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
As an Amazon Associate, PurityMap earns from qualifying purchases. Affiliate disclosure
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 →Rathbun Reg Water Assn (Ft Madison)'s phone number on EPA record is 641-647-2416. Its mailing address is ATTN JEREMY BUCKINGHAM, 16166 HIGHWAY J29, CENTERVILLE, IA 52544.
According to EPA's record, Rathbun Reg Water Assn (Ft Madison) uses surface water bought from Ft Madison Muni Water Works and Keokuk Municipal Water Works.
No health-based violations on EPA record since 2016. EPA also lists 2 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 Rathbun Reg Water Assn (Ft Madison)'s latest lead and copper round, which ended in December 2024. The federal action level is 15 µg/L.
PurityMap has no verified website for Rathbun Reg Water Assn (Ft Madison). Its phone number on EPA record is 641-647-2416. Its mailing address on EPA record is ATTN JEREMY BUCKINGHAM, 16166 HIGHWAY J29, CENTERVILLE, IA 52544. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.