OHA Drinking Water Services
OR41
PWS ID: 00678 ---- JASPER KNOLLS WATER DISTRICT
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
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SRC-AC:  WELL #3
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  ULTRAVIOLET RADIATION
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: Unknown   Data last updated: 3/9/2018
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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SRC-AD:  WELL #4
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  ULTRAVIOLET RADIATION
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: 3/9/2018
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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SRC-AE:  WELL #5
GW, Active, Permanent ---- Operating Period Unknown
Disinfection:  ULTRAVIOLET RADIATION
Sensitivity Analysis Data
Aquifer sensitivity: Low   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: 1/12/2026
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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SRC-AA:  WELL #1
GW, Inactive, Emergency ---- Operating Period: Jan 1 - Dec 31
Disinfection:  ULTRAVIOLET RADIATION
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: Unknown   Data last updated: 1/12/2026
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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SRC-AB:  WELL #2
GW, Inactive (Permanently Abandoned), Other ---- Operating Period: Jan 1 - Dec 31
Disinfection:  ULTRAVIOLET RADIATION
Sensitivity Analysis Data
Aquifer sensitivity: Unknown   Surface water within 500 feet: No
Construction adequate?: Yes   Surface water type: Unknown
E. coli sources within 2-year time-of-travel: Unknown   Data last updated: 3/6/2009
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Unknown
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.
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