ROSEBURG, OR · Douglas County
UMPQUA BASIN WATER ASSOC Water System
Consumer Confidence Report status
UMPQUA BASIN WATER ASSOC 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 UMPQUA BASIN WATER ASSOC.
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)
- OR4100719
- System type
- Community Water System
- Population served
- 9,499
- Service connections
- 4,603
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
UMPQUA BASIN WATER ASSOC is one of 63 community water systems in Oregon in the 3,301 to 10,000 people size category, serving 9,499 people from surface water.
As of August 1, 2026, its federal record holds 55 entries between 1976 and 2025, all of which EPA lists as closed.
Of the 55, 54 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 volatile organic chemicals, inorganic chemicals, and the Surface Water Treatment Rules.
Violation history
Monitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
May 1, 2025 – May 31, 2025
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2024 – July 31, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2024 – July 31, 2024
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
May 30, 2024 – September 10, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2019 – July 31, 2019
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2013 – May 31, 2013
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Benzene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Toluene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Styrene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Nitrate
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Arsenic
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2007 – January 31, 2007
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2006 – December 31, 2006
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2006 – August 31, 2006
ResolvedMonitoring, Regular
—Styrene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Toluene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Fluoride
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Selenium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Nitrate
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Chromium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Barium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
ArchivedMonitoring, Regular
—Combined Radium (-226 and -228)
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 |
|---|---|---|---|---|
| May 1, 2025 – May 31, 2025 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| July 1, 2024 – July 31, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2024 – July 31, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 30, 2024 – September 10, 2024 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| July 1, 2019 – July 31, 2019 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2013 – May 31, 2013 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2007 – January 31, 2007 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| December 1, 2006 – December 31, 2006 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 2006 – August 31, 2006 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Toluene | — | Resolved |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Fluoride | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Selenium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Nitrate | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Chromium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Barium | — | Archived |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Combined Radium (-226 and -228) | — | 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.
Common questions
Is UMPQUA BASIN WATER ASSOC required to publish a Consumer Confidence Report?
- Yes. UMPQUA BASIN WATER ASSOC 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 UMPQUA BASIN WATER ASSOC’s next Consumer Confidence Report due?
- UMPQUA BASIN WATER ASSOC’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does UMPQUA BASIN WATER ASSOC have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for UMPQUA BASIN WATER ASSOC.
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
UMPQUA BASIN WATER ASSOC
541-672-5559
ROSEBURG, OR 97470