US Coast Guard Station
Published drinking-water records and contacts for US Coast Guard Station. System WI4151188. Review sources and dates; not a real-time water assessment.
- System ID
- WI4151188
- State or territory
- WI
- Published population served
- 35
- System type (source code)
- NTNCWS
Published records and dates
- Lead and copper monitoring summaries: 12 — 2017-01-01 – 2025-09-30
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) | 0.0034 mg/L | 2025-06-01 – 2025-09-30 | 2026Q3 |
| Lead (PB90) | 0.0022 mg/L | 2022-06-01 – 2022-09-30 | 2026Q3 |
| Lead (PB90) | 0.0034 mg/L | 2021-01-01 – 2021-06-30 | 2026Q3 |
| Lead (PB90) | 0.00295 mg/L | 2020-07-01 – 2020-12-31 | 2026Q3 |
| Lead (PB90) | 0.00385 mg/L | 2020-01-01 – 2020-06-30 | 2026Q3 |
| Lead (PB90) | 0.0062 mg/L | 2019-07-01 – 2019-12-31 | 2026Q3 |
| Lead (PB90) | 0.0091 mg/L | 2019-01-01 – 2019-06-30 | 2026Q3 |
| Lead (PB90) | 0.01065 mg/L | 2018-07-01 – 2018-12-31 | 2026Q3 |
Published compliance history
8 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 / Water Quality Parameter M/R | 2018-01-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Lead and Copper Rule / Initial, Follow-up, or Routine Source Water M/R | 2018-01-01 – — | Resolved | No | 2026Q3 |
| Lead and Copper Rule / Water Quality Parameter M/R | 2018-01-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Lead and Copper Rule / Initial, Follow-up, or Routine Source Water M/R | 2017-01-01 – — | Resolved | No | 2026Q3 |
| Lead and Copper Rule / Water Quality Parameter M/R | 2017-01-01 – 2017-06-30 | Resolved | No | 2026Q3 |
| Lead and Copper Rule / Water Quality Parameter M/R | 2017-01-01 – 2017-06-30 | Resolved | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 2006-10-01 – 2006-12-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 2006-01-01 – 2006-03-31 | Archived | 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
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.