Colburn Water Assn
Published drinking-water records and contacts for Colburn Water Assn. System ID1090021. Review sources and dates; not a real-time water assessment.
- System ID
- ID1090021
- State or territory
- ID
- Published population served
- 290
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 14 — 1993-07-01 – 2025-12-31
- Idaho selected chemical sample panels: 2 — 2026-03-27 – 2026-03-27
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) | 0.001 mg/L | 2023-01-01 – 2025-12-31 | 2026Q3 |
| Lead (PB90) | 0.011 mg/L | 2020-01-01 – 2022-12-31 | 2026Q3 |
| Lead (PB90) | 0.001 mg/L | 2017-01-01 – 2019-12-31 | 2026Q3 |
| Lead (PB90) | 0.003 mg/L | 2014-01-01 – 2016-12-31 | 2026Q3 |
| Lead (PB90) | 0.0054 mg/L | 2011-01-01 – 2013-12-31 | 2026Q3 |
| Lead (PB90) | 0.003 mg/L | 2010-01-01 – 2010-12-31 | 2026Q3 |
| Lead (PB90) | 0.002 mg/L | 2009-01-01 – 2009-12-31 | 2026Q3 |
| Lead (PB90) | 0.002 mg/L | 2008-01-01 – 2008-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| NITRATE | .053 mg/L | 2026-03-27 | EP1 / Idaho selected chemical sample panels |
| SODIUM | 2.36 mg/L | 2026-03-27 | EP1 / Idaho 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
72 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 Revisions / Notification, Known or Potential LSL | 2025-07-02 – — | Resolved | No | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2024-01-01 – 2024-12-31 | Archived | No | 2026Q3 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP) | 2024-01-01 – 2024-12-31 | Archived | No | 2026Q3 |
| Surface Water Treatment Rule / Monitoring of Treatment (SWTR-Filter) | 2022-01-01 – 2022-01-31 | Archived | No | 2026Q3 |
| Interim and Long Term 1 Enhanced Surface Water Treatment Rule / Monitoring, Turbidity (Enhanced SWTR) | 2022-01-01 – 2022-01-31 | Archived | No | 2026Q3 |
| Ground Water Rule / Monitoring of Treatment (SWTR-Unfilt/GWR) | 2019-02-01 – 2019-02-28 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Routine Major (TCR) | 2000-12-01 – 2000-12-31 | Archived | No | 2026Q3 |
| Surface Water Treatment Rule / Treatment Technique (SWTR and GWR) | 1997-06-01 – 1997-06-30 | Archived | Yes | 2026Q3 |
| Surface Water Treatment Rule / Treatment Technique (SWTR and GWR) | 1997-05-01 – 1997-05-31 | Archived | Yes | 2026Q3 |
| Surface Water Treatment Rule / Treatment Technique (SWTR and GWR) | 1997-04-01 – 1997-04-30 | Archived | Yes | 2026Q3 |
| Surface Water Treatment Rule / Treatment Technique (SWTR and GWR) | 1997-03-01 – 1997-03-31 | Archived | Yes | 2026Q3 |
| Surface Water Treatment Rule / Treatment Technique (SWTR and GWR) | 1997-02-01 – 1997-02-28 | Archived | Yes | 2026Q3 |
| Surface Water Treatment Rule / Treatment Technique (SWTR and GWR) | 1997-01-01 – 1997-01-31 | Archived | Yes | 2026Q3 |
| Surface Water Treatment Rule / Treatment Technique (SWTR and GWR) | 1996-12-01 – 1996-12-31 | Archived | Yes | 2026Q3 |
| Surface Water Treatment Rule / Treatment Technique (SWTR and GWR) | 1996-11-01 – 1996-11-30 | Archived | Yes | 2026Q3 |
| Surface Water Treatment Rule / Treatment Technique (SWTR and GWR) | 1996-10-01 – 1996-10-31 | Archived | Yes | 2026Q3 |
| Surface Water Treatment Rule / Treatment Technique (SWTR and GWR) | 1996-09-01 – 1996-09-30 | Archived | Yes | 2026Q3 |
| Surface Water Treatment Rule / Treatment Technique (SWTR and GWR) | 1996-08-01 – 1996-08-31 | Archived | Yes | 2026Q3 |
| Surface Water Treatment Rule / Treatment Technique (SWTR and GWR) | 1996-07-01 – 1996-07-31 | Archived | Yes | 2026Q3 |
| Surface Water Treatment Rule / Treatment Technique (SWTR and GWR) | 1996-06-01 – 1996-06-30 | Archived | Yes | 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
- Idaho selected chemical sample panels — last successful check: 2026-10-12
Administrative contact (EPA filing)
Hansen, Robert F: 208-265-4270
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.