CORVALLIS, OR · Benton County
ALSEA COUNTY SERVICE DISTRICT Water System
Consumer Confidence Report status
ALSEA COUNTY SERVICE DISTRICT 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 ALSEA COUNTY SERVICE DISTRICT 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)
- OR4100978
- System type
- Community Water System
- Population served
- 202
- Service connections
- 83
- Ownership
- local government
- Water source
- groundwater (wells)
ALSEA COUNTY SERVICE DISTRICT is one of 1,168 community water systems in Oregon in the 500 or fewer people size category, serving 202 people from groundwater.
As of August 1, 2026, its federal record holds 27 entries between 1976 and 2025, of which 1 remains open; none are health-based.
Of the 27, 22 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 Consumer Confidence Rule.
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2025
UnaddressedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2023 – July 17, 2023
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
February 1, 2023 – February 28, 2023
ResolvedMonitoring, Regular
—Nitrate
January 1, 2011 – December 31, 2011
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2007 – August 31, 2007
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 19, 2003 – March 1, 2004
ResolvedMonitoring, Regular
—Arsenic
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Nickel
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 1998 – August 31, 1998
ResolvedMonitoring, Regular
—Nitrate
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
July 1, 1996 – July 31, 1996
ResolvedMonitoring, Regular
—Nitrate
January 1, 1996 – December 31, 1996
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 1995 – August 31, 1995
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
August 1, 1995 – August 31, 1995
ResolvedMonitoring, Regular
—Nitrate
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Selenium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Mercury
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Arsenic
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Barium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Cadmium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Chromium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Fluoride
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
ArchivedMonitoring, Regular
—Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
Archived
Unaddressed no corrective action on record yetResolved 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 |
|---|---|---|---|---|
| July 1, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Unaddressed |
| July 1, 2023 – July 17, 2023 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| February 1, 2023 – February 28, 2023 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2011 – December 31, 2011 | Monitoring, Regular | Nitrate | — | Resolved |
| August 1, 2007 – August 31, 2007 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 19, 2003 – March 1, 2004 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Thallium, Total | — | Resolved |
| August 1, 1998 – August 31, 1998 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 1996 – July 31, 1996 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1996 – December 31, 1996 | Monitoring, Regular | Nitrate | — | Resolved |
| August 1, 1995 – August 31, 1995 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 1995 – August 31, 1995 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Nitrate | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Selenium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Mercury | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Arsenic | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Barium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Cadmium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Chromium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Fluoride | — | Archived |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Archived |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- July 17, 2023State Compliance achieved1 linked violation
- March 17, 2023State Compliance achieved1 linked violation
- March 16, 2012State Compliance achieved3 linked violations
- February 28, 2012State Violation/Reminder Notice1 linked violation
- March 1, 2004State Compliance achieved1 linked violation
- August 7, 2002State Compliance achieved2 linked violations
- June 10, 2002State Compliance achieved6 linked violations
- March 20, 1998State Public Notification received1 linked violation
- January 1, 1998State Compliance achieved1 linked violation
- October 1, 1995State Public Notification requested1 linked violation
- October 27, 1994State Compliance achieved1 linked violation
Common questions
Is ALSEA COUNTY SERVICE DISTRICT required to publish a Consumer Confidence Report?
- Yes. ALSEA COUNTY SERVICE DISTRICT 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 ALSEA COUNTY SERVICE DISTRICT’s next Consumer Confidence Report due?
- ALSEA COUNTY SERVICE DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ALSEA COUNTY SERVICE DISTRICT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for ALSEA COUNTY SERVICE DISTRICT 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
ALSEA COUNTY SERVICE DISTRICT
541-766-6821
CORVALLIS, OR 97333