Is DIAMOND HILL RV PARK required to publish a Consumer Confidence Report?

Yes. DIAMOND HILL RV PARK 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 DIAMOND HILL RV PARK’s next Consumer Confidence Report due?

DIAMOND HILL RV PARK’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.

HARRISBURG, OR · Linn County

DIAMOND HILL RV PARK Water System

Consumer Confidence Report status

DIAMOND HILL RV PARK 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 1 item for DIAMOND HILL RV PARK that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

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 Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.

System facts

System ID (PWSID): OR4191717
System type: Community Water System
Population served: 203
Service connections: 2
Ownership: privately owned
Water source: groundwater (wells)

DIAMOND HILL RV PARK is one of 1,168 community water systems in Oregon in the 500 or fewer people size category, serving 203 people from groundwater.

As of August 1, 2026, its federal record holds 25 entries between 1995 and 2026, of which 1 remains open; none are health-based.

Of the 25, 23 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 Lead and Copper Rule, the Total Coliform Rules, and the Radionuclides and Revised Rad Rule.

Violation history

Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
January 1, 2026
Unaddressed
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Combined Uranium
July 1, 2025 – September 30, 2025
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2025 – September 30, 2025
Archived
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
July 1, 2023 – September 3, 2023
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
July 1, 2023 – January 3, 2024
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
January 1, 2023 – May 10, 2023
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
July 1, 2022 – October 10, 2022
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
July 1, 2022 – October 10, 2022
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
July 1, 2022 – February 10, 2023
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
July 1, 2022 – February 10, 2023
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
July 1, 2022 – February 10, 2023
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
January 1, 2022 – April 10, 2022
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
January 1, 2022 – April 10, 2022
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2022 – December 31, 2022
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
July 1, 2021 – October 9, 2021
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
January 1, 2021 – April 7, 2021
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
January 1, 2021 – August 4, 2021
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
January 1, 2020 – March 10, 2020
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
October 1, 2011 – January 25, 2013
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2011 – October 31, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2001 – December 31, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1995 – September 30, 1995
Resolved

Unaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2026	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Unaddressed
July 1, 2025 – September 30, 2025	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2025 – September 30, 2025	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
July 1, 2023 – September 3, 2023	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
July 1, 2023 – January 3, 2024	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
January 1, 2023 – May 10, 2023	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
July 1, 2022 – October 10, 2022	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
July 1, 2022 – October 10, 2022	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
July 1, 2022 – February 10, 2023	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
July 1, 2022 – February 10, 2023	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
July 1, 2022 – February 10, 2023	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
January 1, 2022 – April 10, 2022	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
January 1, 2022 – April 10, 2022	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Heptachlor	—	Resolved
July 1, 2021 – October 9, 2021	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
January 1, 2021 – April 7, 2021	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
January 1, 2021 – August 4, 2021	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
January 1, 2020 – March 10, 2020	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
October 1, 2011 – January 25, 2013	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
October 1, 2011 – October 31, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 2001 – December 31, 2001	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1995 – September 30, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Unaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is DIAMOND HILL RV PARK required to publish a Consumer Confidence Report?: Yes. DIAMOND HILL RV PARK 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 DIAMOND HILL RV PARK’s next Consumer Confidence Report due?: DIAMOND HILL RV PARK’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does DIAMOND HILL RV PARK have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 1 item for DIAMOND HILL RV PARK that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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

DIAMOND HILL RV PARK

541-968-6998

HARRISBURG, OR 97446