PWS ID: 95243 ---- DIAMOND LAKE GAS STATION

For questions regarding these violations contact: DOUGLAS COUNTY ---- Jacob Mauro ---- (541) 440-3541

Violations are displayed for the last 5 years only.
Group Abbreviations:  GWR = Ground Water Rule, NO3 = Nitrate, TCR = Total Coliform Rule
Purple shading indicates formal enforcement.  Gray shading indicates return to compliance. 

Hide Auto-RTC  |  Show Determination Dates Click here to see public notices.
Violation History
Violation
Number		 Auto-
RTC?		 Monitoring Period Facility
ID		 Analyte
Group		 Violation Type - Analyte Count
Show analytes for all violations		 Enforcement Action - Date
Show history		 Points
Begin End
541 N May 01, 2022 May 31, 2022 TCR Acute MCL for E. coli - 1Bilateral Compliance Agreement Signed - Jan 03, 202310
540 Y Jan 01, 2021 Dec 31, 2021 EP-A NO3 Chemical Late/Nonreporting - 1Returned To Compliance - Feb 16, 20225
539 Y Dec 01, 2021 Dec 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1Returned To Compliance - Jan 21, 20221
538 Y Apr 01, 2021 Jun 30, 2021 TCR Routine Coliform - Did Not Report ANY - 1Returned To Compliance - Aug 12, 20211
537 Y Jan 01, 2021 Mar 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1Returned To Compliance - Aug 12, 20211
536 Y Oct 01, 2020 Dec 31, 2020 TCR Routine Coliform - Did Not Report ANY - 1Returned To Compliance - Aug 12, 20211
535 N Jan 01, 2020 Dec 31, 2020 CH-A GWR Source Assessment Sample - Late/Nonreporting - 1Returned To Compliance - Dec 22, 20211
534 Y Jan 01, 2019 Dec 31, 2019 EP-A NO3 Chemical Late/Nonreporting - 1Returned To Compliance - Apr 13, 20205
533 N Jan 01, 2019 Dec 31, 2019 CH-A GWR Source Assessment Sample - Late/Nonreporting - 1Returned To Compliance - Dec 22, 20211
532 Y Jul 01, 2019 Sep 30, 2019 TCR Routine Coliform - Did Not Report ANY - 1Returned To Compliance - Jan 02, 20201
531 N Jan 01, 2018 Dec 31, 2018 CH-A GWR Source Assessment Sample - Late/Nonreporting - 1Returned To Compliance - Dec 22, 20211
530 Y Apr 01, 2018 Jun 30, 2018 TCR Routine Coliform - Did Not Report ANY - 1Returned To Compliance - Jul 20, 20181
SYSTEM SCORE SUMMARYUnaddressed Points: 0
Number of years the oldest violation has been unaddressed (n): 0
System Score: 0
Points under formal enforcement: 10
Points RTC'd: 19

For questions about compliance determinations above, please contact Chuck Michael, DWS Compliance Specialist, at 503-894-2919 or CHARLES.E.MICHAEL@oha.oregon.gov.

Click here for more information on system scores and how they are calculated, including the point values of specific violations.

Violation history last updated 06/09/2023, 17 hours ago.


For further information on this public water system, click on the area of interest below:
System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review :: Annual Fee
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins :: PFAS
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA
Information by county:
Inventory :: Surface Water Systems :: Water System Surveys :: Outstanding Performers :: Plan Reviews :: System Scores :: Exceedances
Alerts :: Violations :: Compliance & Enforcement :: Significant Deficiencies :: Cross Connection ASRs :: Treatment Plant Inspections :: Fluoride
Water Advisories :: Contact Reports :: Cyanotoxins :: PFAS :: Post-wildfire VOCs :: Public Notices
Inventory List for all Oregon Drinking Water Systems in Excel or printable screen format
Tools for Laboratories :: Staff/Partner Login
Introduction :: Data Search Options :: Water System Search :: DWS Home