OHA Drinking Water Services
OR41
PWS ID: 91830 ---- LONDON ELEMENTARY SD 45J3
GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:
Related Pages:
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SRC-AA:  WELL
GW, Active, Seasonal ---- Operating Period: Sep 5 - Jun 10
Disinfection:  RESID. MAINT. HYPOCHLORINATION
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: 7/30/2012
Monthly Assessment Monitoring Data
Monthly Assessment Monitoring Required? Pending
No monthly assessment monitoring schedule found.

Historic GWUDI Monitoring Data
Sample Date Result
10/31/2007 TC+
9/30/2007 Absent
8/31/2007 TC+
7/31/2007 Absent
6/30/2007 Absent
5/31/2007 Absent
4/30/2007 Absent
3/31/2007 Absent
2/28/2007 TC+
1/31/2007 Absent
12/31/2006 Absent
11/30/2006 TC+
10/31/2006 TC+
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