MULINO, OR · Clackamas County
MT SHADOW MHP Water System
Consumer Confidence Report status
MT SHADOW MHP 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 no open violations for MT SHADOW MHP.
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)
- OR4105290
- System type
- Community Water System
- Population served
- 30
- Service connections
- 24
- Ownership
- privately owned
- Water source
- groundwater (wells)
MT SHADOW MHP is one of 1,168 community water systems in Oregon in the 500 or fewer people size category, serving 30 people from groundwater.
As of August 1, 2026, its federal record holds 5 entries between 2019 and 2025, all of which EPA lists as closed.
All 5 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 the Total Coliform Rules, the Radionuclides and Revised Rad Rule, and inorganic chemicals.
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
August 1, 2025 – August 31, 2025
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
July 1, 2025 – September 30, 2025
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Nitrate
January 1, 2022 – December 31, 2024
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
January 1, 2019 – March 31, 2019
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| August 1, 2025 – August 31, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2025 – September 30, 2025 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2022 – December 31, 2024 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is MT SHADOW MHP required to publish a Consumer Confidence Report?
- Yes. MT SHADOW MHP 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 MT SHADOW MHP’s next Consumer Confidence Report due?
- MT SHADOW MHP’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MT SHADOW MHP have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MT SHADOW MHP.
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
MT SHADOW MHP
360-398-6236
MULINO, OR 97042