ASTORIA, OR · Clatsop County
KNAPPA WATER ASSOCIATION Water System
Current status
No open violations on record as of July 4, 2026.
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)
- OR4100061
- System type
- Community Water System
- Population served
- 1,800
- Service connections
- 605
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
December 1, 2025 – December 31, 2025
ArchivedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
November 1, 2025 – November 30, 2025
ArchivedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
November 1, 2023 – November 30, 2023
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2022 – July 31, 2022
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2021 – June 8, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2016 – July 31, 2016
ArchivedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
March 1, 2000 – March 31, 2000
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
Archived
Archived 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 |
|---|---|---|---|---|
| December 1, 2025 – December 31, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Archived |
| November 1, 2025 – November 30, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Archived |
| November 1, 2023 – November 30, 2023 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2022 – July 31, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2021 – June 8, 2022 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2016 – July 31, 2016 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Archived |
| March 1, 2000 – March 31, 2000 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Archived |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Archived 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.
Contact
KNAPPA WATER ASSOCIATION
503-458-6461
ASTORIA, OR 97103