RAINBOW WATER DISTRICT
Oregon — Community Water System — PWSID: OR4100839
System Information
| PWSID | OR4100839 |
| System Name | RAINBOW WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water Under Influence |
| 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 | SPRINGFIELD |
| ZIP Code | 97477 |
| Address | PO BOX 8 |
| Organization | RAINBOW WATER DISTRICT |
| Phone | 541-746-1676 |
Population & Service
| Population Served | 6,300 |
| Service Connections | 2,382 |
Drinking Water Violations (37)
This water system has 37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2025 | Aug 31, 2025 | Revised Total Coliform Rule | MON | No | No | — | — | — | Archived | Aug 31, 2025 | Revised Total Coliform Rule |
| Feb 1, 2025 | Feb 28, 2025 | Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | Feb 28, 2025 | Surface Water Treatment Rule |
| Feb 1, 2025 | Feb 28, 2025 | Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | Feb 28, 2025 | Surface Water Treatment Rule |
| Feb 1, 2025 | Feb 28, 2025 | Surface Water Treatment Rule | MR | No | Yes | — | — | — | Resolved | Feb 28, 2025 | Surface Water Treatment Rule |
| Sep 13, 2022 | — | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Oct 5, 2022 | Surface Water Treatment Rule |
| Sep 13, 2022 | — | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Oct 5, 2022 | Surface Water Treatment Rule |
| Sep 13, 2022 | — | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Oct 5, 2022 | Surface Water Treatment Rule |
| Jan 1, 2012 | Dec 31, 2012 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Dec 31, 2012 | Ground Water Rule |
| Jan 1, 2012 | Dec 31, 2012 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Dec 31, 2012 | Ground Water Rule |
| Jan 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 5, 2012 | Lead and Copper Rule |
| Jan 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 5, 2012 | Lead and Copper Rule |
| Jul 1, 2010 | Jul 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2010 | Total Coliform Rule |
| Jul 1, 2010 | Jul 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2010 | Total Coliform Rule |
| Nov 1, 2009 | Nov 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2009 | Total Coliform Rule |
| Nov 1, 2009 | Nov 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2009 | Total Coliform Rule |
| Nov 1, 2009 | Nov 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2009 | Total Coliform Rule |
| May 1, 2008 | May 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | Total Coliform Rule |
| Jan 1, 2005 | Dec 31, 2007 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2007 | Arsenic Rule |
| Jan 1, 2005 | Dec 31, 2007 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Dec 31, 2007 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2004 | Apr 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2004 | Total Coliform Rule |
| Mar 1, 2004 | Mar 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2004 | Total Coliform Rule |
| Feb 1, 2004 | Feb 29, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2004 | Total Coliform Rule |
| Jun 1, 2003 | Jun 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2003 | Total Coliform Rule |
| Jun 1, 2003 | Jun 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2003 | Total Coliform Rule |
| Jan 1, 2000 | Dec 31, 2000 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2000 | Nitrate Rule |
| Jan 1, 1996 | Dec 31, 1996 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1996 | Nitrate Rule |
| Feb 1, 1992 | Feb 29, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 1992 | Total Coliform Rule |
| Jan 1, 1992 | Jan 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1992 | Total Coliform Rule |
| Nov 1, 1991 | Nov 30, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1991 | Total Coliform Rule |
| Oct 1, 1991 | Oct 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1991 | Total Coliform Rule |
| Aug 1, 1991 | Aug 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1991 | Total Coliform Rule |
| Jun 1, 1991 | Jun 30, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1991 | Total Coliform Rule |
| May 1, 1991 | May 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1991 | Total Coliform Rule |
| Mar 1, 1991 | Mar 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 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.