No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting July 2017.
Serves about 4,697 people (1,739 connections) with groundwater from its own wells.
From EPA's record for WI4051031. PurityMap is independent of Suamico Waterworks.
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1 health-based violation in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From July 2017 | Combined radium-226/228 | 5.71 pCi/L | 5 pCi/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from April 2023 to October 2023.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 15 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 | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| 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 | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| 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 | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| 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 | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| 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 | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| 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 | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| 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 | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-04-18 to 2023-10-16 | UCMR5 Analytical Results: SUAMICO WATERWORKS (WI4051031) |
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 →According to EPA's record, Suamico Waterworks uses groundwater from its own wells.
EPA's record shows 1 health-based violation for Suamico Waterworks 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 2017. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Suamico Waterworks's latest lead and copper round, which ended in September 2023, was 1.1 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Suamico Waterworks. Its mailing address on EPA record is MICHELLE BARTOLETTI, 12781 VELP AVE, SUAMICO, WI 54313. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.