DECLO, ID · Cassia County
DECLO CITY OF Water System
Consumer Confidence Report status
DECLO CITY OF 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 DECLO CITY OF.
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)
- ID5160012
- System type
- Community Water System
- Population served
- 300
- Service connections
- 135
- Ownership
- local government
- Water source
- groundwater (wells)
DECLO CITY OF is one of 969 community water systems in Idaho in the 500 or fewer people size category, serving 300 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 1991, all of which EPA lists as closed. Nothing has been added since 1991.
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 the Total Coliform Rules.
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 1991 – July 31, 1991
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 1991 – July 31, 1991 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- August 16, 2025State Public Notification requested2 linked violations
- November 16, 2019State Public Notification requested3 linked violations
- November 10, 2017State Public Notification requested1 linked violation
- June 15, 2017State Public Notification requested2 linked violations
- June 15, 2017State Public Notification requested2 linked violations
- July 28, 2016State Compliance achieved1 linked violation
- November 15, 2012State Compliance achieved3 linked violations
- December 18, 2002State Compliance achieved4 linked violations
- August 18, 1998State Compliance achieved10 linked violations
Common questions
Is DECLO CITY OF required to publish a Consumer Confidence Report?
- Yes. DECLO CITY OF 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 DECLO CITY OF’s next Consumer Confidence Report due?
- DECLO CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does DECLO CITY OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for DECLO CITY OF.
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
GILES, COLT
208-670-9566
DECLO, ID 83323