BEAVERTON, OR · Umatilla County
HAT ROCK MOBILE COURT Water System
Consumer Confidence Report status
HAT ROCK MOBILE COURT 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 HAT ROCK MOBILE COURT 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)
- OR4191232
- System type
- Community Water System
- Population served
- 60
- Service connections
- 28
- Ownership
- privately owned
- Water source
- groundwater (wells)
HAT ROCK MOBILE COURT is one of 1,168 community water systems in Oregon in the 500 or fewer people size category, serving 60 people from groundwater.
As of August 1, 2026, its federal record holds 17 entries between 1994 and 2025, of which 1 remains open; none are health-based.
Of the 17, 14 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 inorganic chemicals, the Total Coliform Rules, and the Lead and Copper Rule.
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2025
UnaddressedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2023 – July 3, 2023
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2010 – July 31, 2010
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
June 1, 2009 – June 30, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2004 – January 31, 2004
ResolvedMonitoring, Regular
—Nitrate
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—CYANIDE
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Selenium
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Barium
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Fluoride
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Nickel
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Cadmium
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Chromium
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Mercury
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 1996 – December 31, 1998
ResolvedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
July 1, 1994 – September 23, 1994
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2025 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Unaddressed |
| July 1, 2023 – July 3, 2023 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2010 – July 31, 2010 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| June 1, 2009 – June 30, 2009 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 2004 – January 31, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| July 1, 1994 – September 23, 1994 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- July 3, 2023State Compliance achieved1 linked violation
- January 6, 2011State Compliance achieved1 linked violation
- August 23, 2010State Violation/Reminder Notice1 linked violation
- July 27, 2009State Violation/Reminder Notice1 linked violation
- November 4, 2004State Compliance achieved13 linked violations
- March 11, 2004State Compliance achieved1 linked violation
- September 23, 1994State Compliance achieved1 linked violation
Common questions
Is HAT ROCK MOBILE COURT required to publish a Consumer Confidence Report?
- Yes. HAT ROCK MOBILE COURT 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 HAT ROCK MOBILE COURT’s next Consumer Confidence Report due?
- HAT ROCK MOBILE COURT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does HAT ROCK MOBILE COURT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for HAT ROCK MOBILE COURT 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
HAT ROCK MOBILE COURT
541-371-9818
BEAVERTON, OR 97008-7105