Lacey, WA · Thurston County
PATTISON 500 Water System
Consumer Confidence Report status
PATTISON 500 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 PATTISON 500.
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 Washington’s official records. Always confirm current status with Washington before making decisions based on this information.
System facts
- System ID (PWSID)
- WA5366578
- System type
- Community Water System
- Population served
- 4,643
- Service connections
- 1,865
- Ownership
- local government
- Water source
- groundwater (wells)
PATTISON 500 is one of 112 community water systems in Washington in the 3,301 to 10,000 people size category, serving 4,643 people from groundwater.
As of August 1, 2026, its federal record holds 29 entries between 1979 and 2012, all of which EPA lists as closed. Nothing has been added since 2012.
Of the 29, 26 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 inorganic chemicals, synthetic organic chemicals, and the Total Coliform Rules.
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2012 – October 22, 2012
ResolvedMonitoring, Regular
—Nitrate
January 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Diquat
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Diquat
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Diquat
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Fluoride
January 1, 2002 – December 31, 2004
ArchivedMonitoring, Regular
—Mercury
January 1, 2002 – December 31, 2004
ArchivedMonitoring, Regular
—Nickel
January 1, 2002 – December 31, 2004
ArchivedMonitoring, Regular
—Selenium
January 1, 2002 – December 31, 2004
ArchivedMonitoring, Regular
—Antimony, Total
January 1, 2002 – December 31, 2004
ArchivedMonitoring, Regular
—Beryllium, Total
January 1, 2002 – December 31, 2004
ArchivedMonitoring, Regular
—Thallium, Total
January 1, 2002 – December 31, 2004
ArchivedMonitoring, Regular
—Arsenic
January 1, 2002 – December 31, 2004
ArchivedMonitoring, Regular
—Barium
January 1, 2002 – December 31, 2004
ArchivedMonitoring, Regular
—Cadmium
January 1, 2002 – December 31, 2004
ArchivedMonitoring, Regular
—Chromium
January 1, 2002 – December 31, 2004
ArchivedMonitoring, Regular
—CYANIDE
January 1, 2002 – December 31, 2004
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 1995 – November 30, 1995
ArchivedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
October 1, 1991 – October 31, 1991
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 1991 – October 31, 1991
ArchivedMonitoring, Regular
—Cadmium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Chromium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Fluoride
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Nitrate
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Selenium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Mercury
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Arsenic
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Barium
October 1, 1979 – October 31, 1979
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, 2012 – October 22, 2012 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2007 – December 31, 2007 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Fluoride | — | Archived |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Mercury | — | Archived |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Nickel | — | Archived |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Selenium | — | Archived |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Antimony, Total | — | Archived |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Beryllium, Total | — | Archived |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Thallium, Total | — | Archived |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Arsenic | — | Archived |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Barium | — | Archived |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Cadmium | — | Archived |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Chromium | — | Archived |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | CYANIDE | — | Archived |
| November 1, 1995 – November 30, 1995 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| October 1, 1991 – October 31, 1991 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Archived |
| October 1, 1991 – October 31, 1991 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Cadmium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Chromium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Fluoride | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Nitrate | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Selenium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Mercury | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Arsenic | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Barium | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 22, 2012State Compliance achieved1 linked violation
- October 31, 2011State Compliance achieved1 linked violation
- January 1, 2008State Compliance achieved4 linked violations
- January 1, 2008State Compliance achieved5 linked violations
- January 1, 2008State Compliance achieved123 linked violations
- January 1, 2008State Compliance achieved48 linked violations
- January 1, 2008State Compliance achieved3 linked violations
- January 1, 2008State Compliance achieved3 linked violations
- August 23, 1994Federal issued Formal Notice of Violation4 linked violations
- March 31, 1992State Violation/Reminder Notice1 linked violation
- February 29, 1992State Violation/Reminder Notice1 linked violation
- October 31, 1991State Public Notification requested3 linked violations
- October 31, 1991State Public Notification received3 linked violations
- October 31, 1991State Violation/Reminder Notice1 linked violation
Common questions
Is PATTISON 500 required to publish a Consumer Confidence Report?
- Yes. PATTISON 500 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 PATTISON 500’s next Consumer Confidence Report due?
- PATTISON 500’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does PATTISON 500 have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for PATTISON 500.
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
PATTISON 500
Phone not on record
Lacey, WA 98503