HAPPY VALLEY, OR · Columbia County
MAPLE TERRACE MOBILE HOME PARK 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)
- OR4100983
- System type
- Community Water System
- Population served
- 70
- Service connections
- 23
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2025 – September 26, 2025
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
April 10, 2025 – May 7, 2025
ResolvedLSL Inventory
Health-basedLEAD AND COPPER RULE REVISIONS
October 17, 2024 – May 7, 2025
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
August 1, 2024 – August 31, 2024
ResolvedOCCT/SOWT Study/Recommendation
Health-basedLead and Copper Rule
April 1, 2022 – August 17, 2022
ResolvedPublic Education
Health-basedLead and Copper Rule
December 11, 2021 – June 3, 2022
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2020 – July 16, 2021
ResolvedMonitoring, Source Water (GWR)
—E. COLI
September 23, 2017 – September 29, 2017
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 2009 – April 30, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2004 – January 31, 2004
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 1993 – January 31, 1993
ArchivedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 1992 – November 30, 1992
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 1992 – November 30, 1992
ArchivedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
October 1, 1992 – October 31, 1992
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
October 1, 1992 – October 31, 1992
ArchivedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
September 1, 1992 – September 30, 1992
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
Resolved 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 – September 26, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| April 10, 2025 – May 7, 2025 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| October 17, 2024 – May 7, 2025 | LSL Inventory | LEAD AND COPPER RULE REVISIONS | Health-based | Resolved |
| August 1, 2024 – August 31, 2024 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| April 1, 2022 – August 17, 2022 | OCCT/SOWT Study/Recommendation | Lead and Copper Rule | Health-based | Resolved |
| December 11, 2021 – June 3, 2022 | Public Education | Lead and Copper Rule | Health-based | Resolved |
| October 1, 2020 – July 16, 2021 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| September 23, 2017 – September 29, 2017 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| April 1, 2009 – April 30, 2009 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2004 – January 31, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1993 – January 31, 1993 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| November 1, 1992 – November 30, 1992 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 1992 – November 30, 1992 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| October 1, 1992 – October 31, 1992 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 1992 – October 31, 1992 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| September 1, 1992 – September 30, 1992 | 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 |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Contact
MAPLE TERRACE MOBILE HOME PARK
503-208-3268
HAPPY VALLEY, OR 97086