MULINO WATER DISTRICT
Oregon — Community Water System — PWSID: OR4100547
System Information
| PWSID | OR4100547 |
| System Name | MULINO WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Dec 23, 2025 |
Location & Contact
| State | Oregon |
| City | MULINO |
| ZIP Code | 97042 |
| Address | PO BOX 867 |
| Organization | MULINO WATER DISTRICT |
| Phone | 503-829-9787 |
Population & Service
| Population Served | 700 |
| Service Connections | 235 |
Drinking Water Violations (39)
This water system has 39 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 2, 2025 | Consumer Confidence Rule |
| Jul 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 23, 2024 | Consumer Confidence Rule |
| Jul 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 28, 2023 | Lead and Copper Rule |
| Jan 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 2, 2023 | Lead and Copper Rule |
| Jan 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 2, 2023 | Lead and Copper Rule |
| Jul 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 30, 2021 | Lead and Copper Rule |
| Jul 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Nov 2, 2021 | Lead and Copper Rule |
| Jul 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Nov 2, 2021 | Lead and Copper Rule |
| Jul 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 30, 2021 | Lead and Copper Rule |
| Jan 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 28, 2020 | Lead and Copper Rule |
| Jun 1, 2005 | Jun 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | Total Coliform Rule |
| Jun 1, 2005 | Jun 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | Total Coliform Rule |
| Jan 1, 2005 | Dec 31, 2007 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Dec 31, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Dec 31, 2007 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Dec 31, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Dec 31, 2005 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2005 | Nitrate Rule |
| Jun 1, 2004 | Jun 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | Total Coliform Rule |
| Jun 1, 2004 | Jun 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | Total Coliform Rule |
| Apr 1, 2003 | Apr 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2003 | Total Coliform Rule |
| Apr 1, 2003 | Apr 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2003 | Total Coliform Rule |
| Jan 1, 1998 | Dec 31, 1998 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1998 | Nitrate Rule |
| Jan 1, 1998 | Dec 31, 1998 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1998 | Nitrate Rule |
| Jan 1, 1996 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | May 13, 2009 | Lead and Copper Rule |
| Jan 1, 1996 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | May 13, 2009 | Lead and Copper Rule |
| Jan 1, 1996 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | May 13, 2009 | Lead and Copper Rule |
| Jan 1, 1996 | Dec 31, 1996 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1996 | Nitrate Rule |
| Jan 1, 1996 | Dec 31, 1996 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1996 | Nitrate Rule |
| Aug 1, 1995 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | May 13, 2009 | Lead and Copper Rule |
| Jun 1, 1995 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 13, 2009 | Lead and Copper Rule |
| Jun 1, 1995 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 13, 2009 | Lead and Copper Rule |
| Nov 1, 1994 | Nov 30, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1994 | Total Coliform Rule |
| Nov 1, 1994 | Nov 30, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1994 | Total Coliform Rule |
| Nov 1, 1994 | Nov 30, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1994 | Total Coliform Rule |
| Jul 1, 1994 | Dec 31, 1994 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 1994 | Lead and Copper Rule |
| Jul 1, 1994 | Dec 31, 1994 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 1994 | Lead and Copper Rule |
| Feb 1, 1993 | Feb 28, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1993 | Total Coliform Rule |
| Jan 1, 1993 | Jan 31, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jan 31, 1993 | Total Coliform Rule |
| Jan 1, 1991 | Jan 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1991 | Total Coliform Rule |
| Jun 1, 1976 | May 31, 1980 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | May 31, 1980 | Radionuclides and Revised Rad Rule |
| Jun 1, 1976 | May 31, 1980 | Combined Radium (-226 and -228) | MR | No | No | — | 5 pCi/L | — | Archived | May 31, 1980 | Radionuclides and Revised Rad Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.