00453 GW/GWUDI Source Detail | Data Online | Oregon Drinking Water Services

OHA Drinking Water Services

PWS ID: 00453 ---- LA GRANDE, CITY OF

GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:

SRC-AA - WELL #3 - 2ND AND H
SRC-BA - WELL #4 - 12TH STREET
SRC-CA - WELL #1 - ISLAND CITY
SRC-DA - WELL #2 - GEKELER
SRC-FA - WELL #5 - HWY 30

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SRC-AA: WELL #3 - 2ND AND H

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:	4/25/2011

Monthly Assessment Monitoring Data

Monthly Assessment Monitoring Required? No

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

	Jan	Feb	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-BA: WELL #4 - 12TH STREET

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:	Stream
E. coli sources within 2-year time-of-travel:	Yes	Data last updated:	4/25/2011

Monthly Assessment Monitoring Data

Monthly Assessment Monitoring Required? No

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

	Jan	Feb	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-CA: WELL #1 - ISLAND CITY

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	Surface water type:	Stream
E. coli sources within 2-year time-of-travel:	Yes	Data last updated:	9/9/2008

Monthly Assessment Monitoring Data

Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 12/31/2010

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

No historic GWUDI data were found.

SRC-DA: WELL #2 - GEKELER

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:	8/16/2005

Monthly Assessment Monitoring Data

Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 1/1/2010 - 12/31/2010

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total
# Samples TC+ E. coli+	0 - -	0 - -	0 - -	0 - -	1 0 0	1 0 0	1 0 0	1 0 0	0 - -	1 0 0	1 0 0	1 0 0	7 0 0
Outcome/Determination: Low Risk

No historic GWUDI data were found.

SRC-FA: WELL #5 - HWY 30

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:	Stream
E. coli sources within 2-year time-of-travel:	Yes	Data last updated:	4/25/2011

Monthly Assessment Monitoring Data

Monthly Assessment Monitoring Required? No

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

	Jan	Feb	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.

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