00783 GW/GWUDI Source Detail | Data Online | Oregon Drinking Water Services

OHA Drinking Water Services

PWS ID: 00783 ---- ORCHARD HEIGHTS WATER ASSN

GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:

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SRC-AB: LAFAYETTE WELL

GW, Active, Permanent ---- Operating Period: Jan 1 - Dec 31

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:	1/26/2022

Monthly Assessment Monitoring Data

Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 8/1/2015 - 4/30/2017

	Jan	Feb	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	2 0 0	1 0 0	1 0 0	2 0 0	14 0 0
Outcome/Determination: Low Risk

No historic GWUDI data were found.

SRC-AC: WELL #2

GW, Active, Permanent ---- Operating Period Unknown

Disinfection: RESID. MAINT. HYPOCHLORINATION

Sensitivity Analysis Data

Aquifer sensitivity:	High	Surface water within 500 feet:	Yes
Construction adequate?:	No - Inappropriate Materials	Surface water type:	Lake/Pond
E. coli sources within 2-year time-of-travel:	Yes	Data last updated:	4/23/2015

Monthly Assessment Monitoring Data

Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 9/1/2015 - 8/31/2016

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total
# Samples TC+ E. coli+	0 - -	0 - -	0 - -	0 - -	0 - -	1 1 0	1 0 0	1 1 0	1 0 0	0 - -	0 - -	0 - -	4 2 0
Outcome/Determination: Low Risk

No historic GWUDI data were found.

SRC-AD: 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:	Yes
Construction adequate?:	Yes	Surface water type:	Lake/Pond
E. coli sources within 2-year time-of-travel:	Yes	Data last updated:	4/23/2015

Monthly Assessment Monitoring Data

Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.

SRC-AA: WELL #3

GW, Inactive (Disconnected), Other ---- 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:	4/23/2015

Monthly Assessment Monitoring Data

Monthly Assessment Monitoring Required? No
No monthly assessment monitoring schedule found.
No historic GWUDI data were found.

SRC-AE: SPRING

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

Disinfection: RESID. MAINT. HYPOCHLORINATION

Sensitivity Analysis Data

Aquifer sensitivity:	High	Surface water within 500 feet:	Yes
Construction adequate?:	Unknown	Surface water type:	Stream
E. coli sources within 2-year time-of-travel:	Yes	Data last updated:	4/23/2015

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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