OHA Drinking Water Services
Groundwater/GWUDI Source Detail for PWS 00587 ---- ONTARIO, CITY OF

Non-purchased Groundwater/GWUDI Sources:
Related Pages:
Contact Us:
  • Email us with questions, comments,
    or suggestions about this page.


SRC-AB:  WELL 4
GU, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  HYPOCHLORINATION, POST ;  HYPOCHLORINATION, PRE
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: No - Seal Missing or Unknown   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 08/11/2021
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
Back to top
SRC-AE:  WELL 6
GU, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION, POST ;  HYPOCHLORINATION, PRE
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: No - Seal Not Constructed Properly   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 08/29/2007
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
Back to top
SRC-AF:  WELL 14
GU, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION, POST ;  HYPOCHLORINATION, PRE
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: Yes   Surface water type: Stream
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 08/29/2007
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
Back to top
SRC-AG:  WELL 15
GU, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION, POST ;  HYPOCHLORINATION, PRE
Sensitivity Analysis Data
Aquifer sensitivity: Unknown   Surface water within 500 feet: Unknown
Construction adequate?: Unknown   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Unknown   Data last updated:
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
Back to top
SRC-AH:  WELL 16
GU, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION, POST ;  HYPOCHLORINATION, PRE
Sensitivity Analysis Data
Aquifer sensitivity: Unknown   Surface water within 500 feet: Unknown
Construction adequate?: Unknown   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Unknown   Data last updated:
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
Back to top
SRC-AI:  WELL 17
GU, Active, Permanent ---- Operating Period Unknown
Disinfection:  HYPOCHLORINATION, POST ;  HYPOCHLORINATION, PRE
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: Yes
Construction adequate?: Yes   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Unknown   Data last updated: 03/31/2015
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
Back to top
SRC-AC:  INFILTRATION COLLECTOR - PIT
GU, Inactive (Abandoned), Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  HYPOCHLORINATION, POST ;  HYPOCHLORINATION, PRE
Sensitivity Analysis Data
Aquifer sensitivity: Unknown   Surface water within 500 feet: Unknown
Construction adequate?: Unknown   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Unknown   Data last updated: 03/15/2004
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
Back to top
SRC-AD:  INFILTRATION COLLECTOR - POND
GU, Inactive (Abandoned), Seasonal ---- Operating Period: Jan 1 - Dec 31
Disinfection:  HYPOCHLORINATION, POST ;  HYPOCHLORINATION, PRE
Sensitivity Analysis Data
Aquifer sensitivity: Unknown   Surface water within 500 feet: Unknown
Construction adequate?: Unknown   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Unknown   Data last updated: 03/15/2004
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
Back to top
3 sec


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
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAAFor SDWIS: 3898