CORVALLIS, OR · Benton County
ALSEA COUNTY SERVICE DISTRICT Water System
Current status
1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
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
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 1999 – December 31, 2001
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
—CYANIDE
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Nickel
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
ResolvedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
July 1, 1994 – October 27, 1994
ResolvedMonitoring, Regular
—Chromium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Fluoride
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Mercury
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Nitrate
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Selenium
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
—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 |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Thallium, Total | — | 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 | CYANIDE | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Nickel | — | 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 |
| July 1, 1994 – October 27, 1994 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Chromium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Fluoride | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Mercury | — | Archived |
| 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 | Arsenic | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Barium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Cadmium | — | 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
- 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
Contact
ALSEA COUNTY SERVICE DISTRICT
541-766-6821
CORVALLIS, OR 97333