90595 GW/GWUDI Source Detail | Data Online | Oregon Drinking Water Services

OHA Drinking Water Services

PWS ID: 90595 ---- NESTUCCA VALLEY ELEMENTARY SCHOOL

GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:

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SRC-AC: 1994 WELL #3

GW, Active, Permanent ---- Operating Period: Sep 1 - Jun 15

Disinfection: HYPOCHLORINATION, PRE ; RESID. MAINT. HYPOCHLORINATION

Sensitivity Analysis Data

Aquifer sensitivity:	High	Surface water within 500 feet:	Yes
Construction adequate?:	Yes	Surface water type:	Lake/Pond
E. coli sources within 2-year time-of-travel:	Yes	Data last updated:	3/25/2019

Monthly Assessment Monitoring Data

Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 5/31/2012

	Jan	Mar	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total
# 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 1 0	0 - -	1 0 0	11 1 0
Outcome/Determination: Low Risk

No historic GWUDI data were found.

SRC-AA: 1982 WELL #1

GW, Inactive (Disconnected), Other ---- Operating Period Unknown

Disinfection: HYPOCHLORINATION, PRE ; 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:	3/25/2019

Monthly Assessment Monitoring Data

Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 5/1/2011 - 5/31/2011

	Jan	Mar	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total
# Samples TC+ E. coli+	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -
Outcome/Determination: N/A

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 10/22/2010

	Jan	Mar	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total
# Samples TC+ E. coli+	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -	0 - -
Outcome/Determination: N/A

No historic GWUDI data were found.

SRC-AB: 1982 WELL #2

GW, Inactive (Permanently Abandoned), Other ---- Operating Period: Sep 1 - Jun 15

Disinfection: HYPOCHLORINATION, PRE ; RESID. MAINT. HYPOCHLORINATION

Sensitivity Analysis Data

Aquifer sensitivity:	High	Surface water within 500 feet:	Yes
Construction adequate?:	Yes	Surface water type:	Lake/Pond
E. coli sources within 2-year time-of-travel:	Yes	Data last updated:	3/25/2019

Monthly Assessment Monitoring Data

Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 5/31/2012

	Jan	Mar	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total
# 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	0 - -	1 0 0	11 0 0
Outcome/Determination: Low Risk

No historic GWUDI data were found.

SRC-AD: 2019 WELL #4 (UNAPPROVED)

GW, Inactive, Other ---- Operating Period Unknown

Disinfection: HYPOCHLORINATION, PRE ; 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:	3/1/2021

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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