Public water system · ID5070097
ActiveStarweather Estates
At a glance
Starweather Estates (PWSID ID5070097) is an active community water system in Blaine County, Idaho. It reports serving 150 people through 41 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
150
Service connections
41
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Starweather Estates compare with other water systems in Blaine County?
By EPA's size categories, Starweather Estates is a very small system (500 people or fewer). Blaine County has 43 active public water systems. Its population served is well below the county average of 552 people per system, and accounts for 0.6% of the 23,727 people reported by systems filed under the county. Across Idaho, the 1,961 active systems average 899 people each. Nationally, the average active community water system reports serving 6,703 people, so Starweather Estates is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Idaho has 765 active community water systems, 39% of the state's 1,961 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,861 Idaho systems (95%) list groundwater as their primary source.
Who owns and regulates Starweather Estates?
EPA lists Starweather Estates as privately owned. The ID state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 27 of the 43 active systems in Blaine County (63%) are also privately owned.
Does Starweather Estates have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between September 2019 and July 2025. By type: 1 reporting and 1 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule Revisions and Lead and Copper Rule. EPA lists 1 as unaddressed and 1 as resolved. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2019-09-29 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
All 2 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Starweather Estates: frequently asked questions
Who runs Starweather Estates?
Starweather Estates (PWSID ID5070097) is a community water system privately owned. It is regulated by the ID state drinking water program.
How many people does Starweather Estates serve?
Starweather Estates reports serving 150 people through 41 service connections in Blaine County, Idaho.
Where does Starweather Estates get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Starweather Estates have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Starweather Estates' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the ID state drinking water program.
Where can I find Starweather Estates' water quality report?
As a community water system, Starweather Estates must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Blaine County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hailey Water and Sewer | Blaine | 8,000 | Community | Groundwater |
| Ketchum City of | Blaine | 3,555 | Community | Groundwater |
| Sun Valley Water and Sewer Dist | Blaine | 3,400 | Community | Groundwater |
| Bellevue City of | Blaine | 2,747 | Community | Groundwater |
| Bald Mountain | Blaine | 1,000 | Transient non-community | Groundwater |
| Carey Water and Sewer | Blaine | 993 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Starweather Estates, PWSID ID5070097, Idaho”, https://aquacensus.com/water-systems/idaho/starweather-estates-id5070097 (data as of October 1, 2026).