Mid-State Supply
Published drinking-water records and contacts for Mid-State Supply. System WI4700779. Review sources and dates; not a real-time water assessment.
- System ID
- WI4700779
- State or territory
- WI
- Published population served
- 38
- System type (source code)
- NTNCWS
Published records and dates
- Lead and copper monitoring summaries: 26 — 1997-07-01 – 2025-09-30
- Wisconsin DNR public-system PFAS records: 54 — 2023-12-20 – 2026-03-31
Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.
Published testing results
Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.
“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example
Lead and copper: 90th-percentile summaries
These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile
| Substance | Published 90th percentile | Monitoring period | Source quarter |
|---|---|---|---|
| Lead (PB90) | 0 mg/L | 2025-06-01 – 2025-09-30 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2022-06-01 – 2022-09-30 | 2026Q3 |
| Lead (PB90) | 0.001 mg/L | 2020-06-01 – 2020-09-30 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2016-06-01 – 2016-09-30 | 2026Q3 |
| Lead (PB90) | 0.002265 mg/L | 2014-06-01 – 2014-09-30 | 2026Q3 |
| Lead (PB90) | 0.00223 mg/L | 2013-06-01 – 2013-09-30 | 2026Q3 |
| Lead (PB90) | 0.004305 mg/L | 2012-07-01 – 2012-12-31 | 2026Q3 |
| Lead (PB90) | 0.001155 mg/L | 2012-01-01 – 2012-06-30 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| PFTrDA | < 0.53 ng/L | 2026-03-31 | Entry Point / Wisconsin DNR public-system PFAS records |
| PFUNA | < 0.51 ng/L | 2026-03-31 | Entry Point / Wisconsin DNR public-system PFAS records |
| 11CL-PF3OUDS | < 0.3 ng/L | 2026-03-31 | Entry Point / Wisconsin DNR public-system PFAS records |
| 9CL-PF3ONS | < 0.46 ng/L | 2026-03-31 | Entry Point / Wisconsin DNR public-system PFAS records |
| ADONA | < 0.4 ng/L | 2026-03-31 | Entry Point / Wisconsin DNR public-system PFAS records |
| HFPO-DA | < 0.91 ng/L | 2026-03-31 | Entry Point / Wisconsin DNR public-system PFAS records |
| NETFOSAA | < 1.1 ng/L | 2026-03-31 | Entry Point / Wisconsin DNR public-system PFAS records |
| NMEFOSAA | < 1.2 ng/L | 2026-03-31 | Entry Point / Wisconsin DNR public-system PFAS records |
| PFBS | < 0.71 ng/L | 2026-03-31 | Entry Point / Wisconsin DNR public-system PFAS records |
| PFDA | < 0.53 ng/L | 2026-03-31 | Entry Point / Wisconsin DNR public-system PFAS records |
| PFDOA | < 0.61 ng/L | 2026-03-31 | Entry Point / Wisconsin DNR public-system PFAS records |
| PFHPA | < 0.53 ng/L | 2026-03-31 | Entry Point / Wisconsin DNR public-system PFAS records |
State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.
Download state records with source notes (CSV)
Published compliance history
6 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.
| Rule / record | Period | Recorded status | Health-based (EPA classification) | Source quarter |
|---|---|---|---|---|
| Lead and Copper Rule / Lead Consumer Notice | 2026-01-01 – — | Resolved | No | 2026Q3 |
| Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R | 2019-06-01 – — | Resolved | No | 2026Q3 |
| Inorganic Chemicals / Monitoring, Regular | 2019-01-01 – 2019-12-31 | Resolved | No | 2026Q3 |
| Lead and Copper Rule / Lead Consumer Notice | 2017-01-01 – — | Resolved | No | 2026Q3 |
| Nitrate Rule / Monitoring, Regular | 2017-01-01 – 2017-03-31 | Resolved | No | 2026Q3 |
| Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation | 2012-01-01 – — | Unaddressed | No | 2026Q3 |
Source dates and refresh checks
A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.
- EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
- EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
- EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
- Wisconsin DNR public-system PFAS records — last successful check: 2026-10-10
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.