00613 GW/GWUDI Source Detail | Data Online | Oregon Drinking Water Services

OHA Drinking Water Services

PWS ID: 00613 ---- PENDLETON, CITY OF

GW/GWUDI Source Detail

Non-purchased Groundwater/GWUDI Sources:

SRC-BA - WELL #1 ASR (BYERS)
SRC-CA - WELL #2 (ROUNDUP)
SRC-DA - WELL #3 (SW 21ST)
SRC-EA - WELL #4 ASR (HOSPITAL)
SRC-FA - WELL #5 ASR (STILLMAN)
SRC-GA - WELL #8 ASR (PRISON)
SRC-HA - WELL #14 ASR
SRC-IA - WELL #11B
SRC-AL - WELL #7 (MISSION) (Inactive)

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SRC-BA: WELL #1 ASR (BYERS)

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?:	No - Seal Missing or Unknown	Surface water type:	Unknown
E. coli sources within 2-year time-of-travel:	Yes	Data last updated:	5/19/2020

Monthly Assessment Monitoring Data

Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 6/1/2010 - 10/31/2010

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total
# Samples TC+ E. coli+	0 - -	0 - -	0 - -	0 - -	0 - -	1 0 0	1 0 0	1 0 0	1 0 0	2 0 0	0 - -	0 - -	6 0 0
Outcome/Determination: Low Risk

No historic GWUDI data were found.

SRC-CA: WELL #2 (ROUNDUP)

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:	4/5/2018

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 - -	0 - -	1 0 0	1 0 0	1 0 0	1 0 0	0 - -	0 - -	0 - -	4 0 0
Outcome/Determination: Low Risk

No historic GWUDI data were found.

SRC-DA: WELL #3 (SW 21ST)

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:	4/5/2018

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 - -	0 - -	0 - -	1 0 0	1 0 0	1 0 0	1 1 0	0 - -	0 - -	4 1 0
Outcome/Determination: Low Risk

No historic GWUDI data were found.

SRC-EA: WELL #4 ASR (HOSPITAL)

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:	4/5/2018

Monthly Assessment Monitoring Data

Monthly Assessment Monitoring Required? Completed

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 6/1/2010 - 10/31/2010

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total
# Samples TC+ E. coli+	0 - -	0 - -	0 - -	0 - -	0 - -	1 0 0	1 0 0	1 0 0	1 0 0	1 0 0	0 - -	0 - -	5 0 0
Outcome/Determination: Low Risk

No historic GWUDI data were found.

SRC-FA: WELL #5 ASR (STILLMAN)

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:	4/5/2018

Monthly Assessment Monitoring Data

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

SRC-GA: WELL #8 ASR (PRISON)

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:	4/6/2018

Monthly Assessment Monitoring Data

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

SRC-HA: WELL #14 ASR

GW, Active, Seasonal ---- 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:	4/6/2018

Monthly Assessment Monitoring Data

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

SRC-IA: WELL #11B

GW, Active, Permanent ---- 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:	Stream
E. coli sources within 2-year time-of-travel:	Yes	Data last updated:	2/3/2026

Monthly Assessment Monitoring Data

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

SRC-AL: WELL #7 (MISSION)

GW, Inactive, Other ---- Operating Period: Jan 1 - Dec 31

Disinfection: None

Sensitivity Analysis Data

Aquifer sensitivity:	High	Surface water within 500 feet:	No
Construction adequate?:	No - Seal Not Constructed Properly	Surface water type:	Unknown
E. coli sources within 2-year time-of-travel:	Unknown	Data last updated:	4/5/2018

Monthly Assessment Monitoring Data

Monthly Assessment Monitoring Required? No

Monthly Schedule (Closed): 1 sample(s) per month to be taken beginning 6/1/2010 - 11/30/2010

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total
# Samples TC+ E. coli+	0 - -	0 - -	0 - -	0 - -	0 - -	1 0 0	1 0 0	1 0 0	1 0 0	1 0 0	1 0 0	0 - -	6 0 0
Outcome/Determination: Low Risk

No historic GWUDI data were found.

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