Is ROLLING HILLS ESTATES WATER COMPANY required to publish a Consumer Confidence Report?

Yes. ROLLING HILLS ESTATES WATER COMPANY 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 ROLLING HILLS ESTATES WATER COMPANY’s next Consumer Confidence Report due?

ROLLING HILLS ESTATES WATER COMPANY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

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.

NAMPA, ID · Canyon County

ROLLING HILLS ESTATES WATER COMPANY Water System

Consumer Confidence Report status

ROLLING HILLS ESTATES WATER COMPANY 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 ROLLING HILLS ESTATES WATER COMPANY.

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): ID3140100
System type: Community Water System
Population served: 250
Service connections: 137
Ownership: privately owned
Water source: groundwater (wells)

ROLLING HILLS ESTATES WATER COMPANY is one of 969 community water systems in Idaho in the 500 or fewer people size category, serving 250 people from groundwater.

As of August 1, 2026, its federal record holds 6 entries between 1991 and 2024, all of which EPA lists as closed.

All 6 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, the Total Coliform Rules, and the Stage 1 Disinfectants and Disinfection Byproducts Rule.

Violation history

Monitoring and Reporting (DBP)
—
Chlorine
September 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2017 – December 31, 2022
Archived
Monitoring, Regular
—
Toluene
January 1, 2017 – December 31, 2022
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1993 – May 31, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1991 – December 31, 1991
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
September 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	2,4-D	—	Archived
January 1, 2017 – December 31, 2022	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 2017 – December 31, 2022	Monitoring, Regular	Toluene	—	Archived
May 1, 1993 – May 31, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1991 – December 31, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

November 17, 2024State Public Notification requested1 linked violation
November 14, 2024State Violation/Reminder Notice1 linked violation
October 28, 2024State Compliance achieved1 linked violation
February 12, 2024State Public Notification requested1 linked violation
February 9, 2024State Violation/Reminder Notice1 linked violation
February 15, 2017State Violation/Reminder Notice13 linked violations
December 31, 2000State Compliance achieved7 linked violations
February 23, 1994Federal Final Administrative Order issued15 linked violations

Common questions

Is ROLLING HILLS ESTATES WATER COMPANY required to publish a Consumer Confidence Report?: Yes. ROLLING HILLS ESTATES WATER COMPANY 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 ROLLING HILLS ESTATES WATER COMPANY’s next Consumer Confidence Report due?: ROLLING HILLS ESTATES WATER COMPANY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ROLLING HILLS ESTATES WATER COMPANY have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for ROLLING HILLS ESTATES WATER COMPANY.
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

STONE, HAROLD

208-467-4915

NAMPA, ID 83686