Mills Spring Ranch
Published drinking-water records and contacts for Mills Spring Ranch. System WY5600631. Review sources and dates; not a real-time water assessment.
- System ID
- WY5600631
- State or territory
- WY
- Published population served
- 200
- System type (source code)
- TNCWS
Published records and dates
- Wyoming selected chemical sample panels: 2 — 2026-06-25 – 2026-06-25
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
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| NITRATE-NITRITE | 1.05 mg/L | 2026-06-25 | SP03 / Wyoming selected chemical sample panels |
| NITRATE-NITRITE | 0.98 mg/L | 2026-06-25 | SP02 / Wyoming selected chemical sample panels |
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
18 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 |
|---|---|---|---|---|
| Nitrate Rule / Monitoring, Regular | 2018-01-01 – 2018-12-31 | Resolved | No | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2017-08-01 – 2017-08-31 | Archived | No | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2017-07-01 – 2017-07-31 | Archived | No | 2026Q3 |
| Revised Total Coliform Rule / Treatment Technique Startup Procedures (RTCR) | 2017-01-01 – — | Resolved | Yes | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 2007-07-01 – 2007-09-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 2004-08-01 – 2004-08-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Repeat Major (TCR) | 2004-07-01 – 2004-09-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 2003-07-01 – 2003-09-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 2003-04-01 – 2003-06-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 2002-04-01 – 2002-06-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 2001-07-01 – 2001-09-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 2000-07-01 – 2000-09-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1999-07-01 – 1999-09-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 1994-04-01 – 1994-06-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Repeat Major (TCR) | 1991-07-01 – 1991-09-30 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Repeat Major (TCR) | 1991-07-01 – 1991-09-30 | Archived | No | 2026Q3 |
| Nitrate Rule / Monitoring, Regular | 1981-10-01 – 1982-09-30 | Archived | No | 2026Q3 |
| Nitrate Rule / Monitoring, Regular | 1980-12-24 – 1981-01-23 | 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
- Wyoming selected chemical sample panels — last successful check: 2026-10-16
Administrative contact (EPA filing)
Learned, Brent: 307-215-8938
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.