OASIS THE
Wisconsin — Transient Non-Community — PWSID: WI4390306
System Information
| PWSID | WI4390306 |
| System Name | OASIS THE |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 28, 1981 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wisconsin |
| City | ENDEAVOR |
| ZIP Code | 53930 |
| Address | 452 N LAKEVIEW AVE |
| Organization | ACHTERBERG, LANCE |
| Phone | — |
Population & Service
| Population Served | 50 |
| Service Connections | 1 |
Drinking Water Violations (41)
This water system has 41 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Jan 1, 2023 | — | Other | No | No | — | — | — | Resolved | Jul 18, 2024 | — | |
| Jan 1, 2023 | — | Other | No | No | — | — | — | Resolved | Jul 18, 2024 | — | |
| Jan 1, 2023 | — | Other | No | No | — | — | — | Resolved | Jul 18, 2024 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2022 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Jul 18, 2024 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Jul 18, 2024 | — | |
| Apr 1, 2022 | — | Other | No | No | — | — | — | Resolved | Jul 18, 2024 | — | |
| Apr 1, 2022 | — | Other | No | No | — | — | — | Resolved | Jul 18, 2024 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2022 | — | |
| Oct 1, 2018 | — | Other | No | No | — | — | — | Resolved | Mar 25, 2022 | — | |
| Oct 1, 2018 | — | Other | No | No | — | — | — | Resolved | Mar 25, 2022 | — | |
| Jan 1, 2018 | Sep 30, 2018 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2018 | — | |
| Jan 1, 2018 | Sep 30, 2018 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2018 | — | |
| Jan 1, 2018 | Sep 30, 2018 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2018 | — | |
| Jan 1, 2018 | Sep 30, 2018 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2018 | — | |
| Oct 9, 2011 | — | MR | No | Yes | — | — | — | Resolved | Oct 12, 2011 | — | |
| Oct 9, 2011 | — | MR | No | Yes | — | — | — | Resolved | Oct 12, 2011 | — | |
| Oct 9, 2011 | — | MR | No | Yes | — | — | — | Resolved | Oct 12, 2011 | — | |
| Oct 9, 2011 | — | MR | No | Yes | — | — | — | Resolved | Oct 12, 2011 | — | |
| Jan 1, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Jan 1, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1999 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.