EAGLE, ID · Ada County
SIERRA WATER CORP Water System
Consumer Confidence Report status
SIERRA WATER CORP must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for SIERRA WATER CORP.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Idaho’s official records. Always confirm current status with Idaho before making decisions based on this information.
System facts
- System ID (PWSID)
- ID4010133
- System type
- Community Water System
- Population served
- 70
- Service connections
- 22
- Ownership
- privately owned
- Water source
- groundwater (wells)
SIERRA WATER CORP is one of 969 community water systems in Idaho in the 500 or fewer people size category, serving 70 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 1996, all of which EPA lists as closed. Nothing has been added since 1996.
All 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals.
Violation history
Monitoring, Regular
—1,2-Dichloroethane
January 1, 1996 – December 31, 2001
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 1996 – December 31, 2001 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- August 9, 2019State Violation/Reminder Notice3 linked violations
- August 27, 2004State Compliance achieved28 linked violations
- March 11, 2003State Compliance achieved6 linked violations
Common questions
Is SIERRA WATER CORP required to publish a Consumer Confidence Report?
- Yes. SIERRA WATER CORP is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is SIERRA WATER CORP’s next Consumer Confidence Report due?
- SIERRA WATER CORP’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SIERRA WATER CORP have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SIERRA WATER CORP.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
MARES, BRIAN
208-789-4574
EAGLE, ID 83616