OHA Drinking Water Services
OR41
PWS ID: 00461 ---- RIVERGROVE WATER DISTRICT
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
Related Pages:
Contact Us:
SRC-AA:  WELL #1
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: Moderate   Surface water within 500 feet: No
Construction adequate?: Yes   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 8/13/2021
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
Back to top
SRC-BA:  WELL #2
GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31
Disinfection:  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: High   Surface water within 500 feet: No
Construction adequate?: Yes   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 8/13/2021
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 5/1/2013 - 5/31/2014
 JanFebMarAprMayJunJulAugSepOctNovDecTotal
# Samples
TC+
E. coli+ 		1
0
0		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 1
0
0		 12
0
0
Outcome/Determination:  Low Risk
No historic GWUDI data were found.
Back to top
SRC-CA:  OLSON WELL
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  RESID. MAINT. HYPOCHLORINATION
Sensitivity Analysis Data
Aquifer sensitivity: Moderate   Surface water within 500 feet: No
Construction adequate?: Yes   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Yes   Data last updated: 8/13/2021
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
Back to top
2 sec