MERIDIAN, ID · Ada County
MERIDIAN WATER DEPT Water System
Consumer Confidence Report status
MERIDIAN WATER DEPT 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 MERIDIAN WATER DEPT.
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)
- ID4010097
- System type
- Community Water System
- Population served
- 147,340
- Service connections
- 47,953
- Ownership
- privately owned
- Water source
- groundwater (wells)
MERIDIAN WATER DEPT is the second largest community water system in Idaho, serving 147,340 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.
None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 1991 – August 31, 1991
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| August 1, 1991 – August 31, 1991 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- November 7, 2018State Compliance achieved2 linked violations
- November 5, 2014State Violation/Reminder Notice3 linked violations
- March 25, 1997State Compliance achieved32 linked violations
Common questions
Is MERIDIAN WATER DEPT required to publish a Consumer Confidence Report?
- Yes. MERIDIAN WATER DEPT 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 MERIDIAN WATER DEPT’s next Consumer Confidence Report due?
- MERIDIAN WATER DEPT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MERIDIAN WATER DEPT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MERIDIAN WATER DEPT.
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
TELLER, DENNIS M
208-985-1200
MERIDIAN, ID 83646