SIMI VALLEY, CO · Otero County

OTERO ESTATES MHP Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of May 12, 2021. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Otero County, CO.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Colorado’s official records. Always confirm current status with Colorado before making decisions based on this information.

System facts

System ID (PWSID): CO0145270
System type: Community Water System
Population served: 43
Service connections: 24
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2021 – May 12, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 2, 2021 – May 12, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 7, 2021 – May 12, 2021
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2020 – October 31, 2020
Resolved
Treatment Technique No Certif. Operator
Health-based
Stage 1 Disinfectants and Disinfection Byproducts Rule
October 1, 2020 – May 12, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2010 – December 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2009 – December 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2009 – December 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2009 – March 31, 2009
Archived
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2008 – December 31, 2008
Archived
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2008 – September 30, 2008
Archived
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2008 – June 30, 2008
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2008 – February 29, 2008
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2008 – December 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2008 – December 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2008 – March 31, 2008
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
January 1, 2007 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2007 – March 31, 2007
Archived
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2006 – June 30, 2006
Archived
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2005 – June 30, 2005
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2004 – December 31, 2004
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – December 26, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2002 – August 31, 2002
Resolved
Monitoring, Regular
—
Mercury
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Selenium
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Chromium
January 1, 2002 – December 31, 2004
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2001 – May 31, 2001
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 1997 – December 31, 1997
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Selenium
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Nickel
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Mercury
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Barium
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Arsenic
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 1994 – December 31, 1997
Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
May 1, 2021 – May 12, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 2, 2021 – May 12, 2021	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
February 7, 2021 – May 12, 2021	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2020 – October 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2020 – May 12, 2021	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-based	Resolved
January 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2009 – December 31, 2009	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2009 – December 31, 2009	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2009 – March 31, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Archived
October 1, 2008 – December 31, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Archived
July 1, 2008 – September 30, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Archived
April 1, 2008 – June 30, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Archived
February 1, 2008 – February 29, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2008 – March 31, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Archived
January 1, 2007 – December 31, 2007	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
January 1, 2007 – March 31, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Archived
April 1, 2006 – June 30, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Archived
January 1, 2006 – December 31, 2006	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Nitrate	—	Archived
July 1, 2003 – December 26, 2003	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
August 1, 2002 – August 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Mercury	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Selenium	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Chromium	—	Archived
May 1, 2001 – May 31, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 1997 – December 31, 1997	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Selenium	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Nickel	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Mercury	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Barium	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Arsenic	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 1994 – December 31, 1997	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

May 28, 2021State Violation/Reminder Notice1 linked violation
May 28, 2021State Public Notification requested1 linked violation
May 28, 2021State Violation/Reminder Notice1 linked violation
May 28, 2021State Public Notification requested1 linked violation
May 28, 2021State Violation/Reminder Notice1 linked violation
May 28, 2021State Public Notification requested1 linked violation
May 12, 2021State no longer subject to Rule15 linked violations
May 12, 2021State Compliance achieved15 linked violations
May 7, 2021State Public Notification requested1 linked violation
May 7, 2021State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
May 7, 2021State Violation/Reminder Notice2 linked violations
April 6, 2021State Public Notification requested1 linked violation
April 6, 2021State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 6, 2021State Violation/Reminder Notice1 linked violation
March 2, 2021State Public Notification requested1 linked violation
March 2, 2021State Violation/Reminder Notice1 linked violation
February 26, 2021State Public Notification requested1 linked violation
February 26, 2021State Public Notification requested1 linked violation
February 26, 2021State Violation/Reminder Notice1 linked violation
February 26, 2021State Violation/Reminder Notice1 linked violation
January 29, 2021State Public Notification requested1 linked violation
January 29, 2021State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
January 29, 2021State Violation/Reminder Notice1 linked violation
December 30, 2020State Violation/Reminder Notice1 linked violation
December 30, 2020State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 30, 2020State Public Notification requested1 linked violation
December 9, 2020State Violation/Reminder Notice1 linked violation
December 9, 2020State Public Notification requested2 linked violations
December 9, 2020State Violation/Reminder Notice1 linked violation
December 9, 2020State Public Notification requested1 linked violation
December 9, 2020State Violation/Reminder Notice1 linked violation
October 7, 2020State Violation/Reminder Notice1 linked violation
October 7, 2020State Public Notification requested1 linked violation
November 6, 2016State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
April 26, 2011State Public Notification received1 linked violation
February 8, 2011State Compliance achieved32 linked violations
January 4, 2011State Public Notification requested1 linked violation
January 4, 2011State Public Notification requested1 linked violation
January 4, 2011State Violation/Reminder Notice1 linked violation
January 4, 2011State Violation/Reminder Notice1 linked violation
October 19, 2010State Public Notification received1 linked violation
September 15, 2010State Compliance achieved2 linked violations
September 13, 2010State Public Notification requested1 linked violation
September 13, 2010State Violation/Reminder Notice1 linked violation
August 13, 2010State Compliance achieved10 linked violations
August 13, 2010State Compliance achieved7 linked violations
June 11, 2010State Compliance achieved5 linked violations
February 23, 2010State Public Notification requested1 linked violation
February 23, 2010State Violation/Reminder Notice1 linked violation
February 10, 2010State Violation/Reminder Notice1 linked violation
February 10, 2010State Public Notification requested1 linked violation
January 6, 2010State Compliance achieved1 linked violation
December 24, 2009State Compliance achieved1 linked violation
December 22, 2009State Compliance achieved3 linked violations
November 19, 2009State Injunction44 linked violations
November 6, 2009State Public Notification requested2 linked violations
November 6, 2009State Violation/Reminder Notice2 linked violations
October 6, 2009State Violation/Reminder Notice1 linked violation
October 6, 2009State Public Notification requested1 linked violation
August 10, 2009State Civil Case filed in State court77 linked violations
July 29, 2009State Violation/Reminder Notice1 linked violation
June 3, 2009State Compliance achieved13 linked violations
May 8, 2009State Public Notification requested1 linked violation
May 8, 2009State Violation/Reminder Notice1 linked violation
February 10, 2009State Public Notification requested1 linked violation
February 10, 2009State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 10, 2009State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 10, 2009State Public Notification requested1 linked violation
February 10, 2009State Violation/Reminder Notice1 linked violation
February 10, 2009State Public Notification requested1 linked violation
February 10, 2009State Violation/Reminder Notice1 linked violation
February 10, 2009State Violation/Reminder Notice1 linked violation
January 29, 2009State Public Notification requested1 linked violation
January 29, 2009State Violation/Reminder Notice1 linked violation
November 11, 2008State Public Notification requested1 linked violation
November 11, 2008State Violation/Reminder Notice1 linked violation
November 7, 2008State Violation/Reminder Notice1 linked violation
November 7, 2008State Public Notification requested1 linked violation
November 4, 2008State Public Notification requested2 linked violations
November 4, 2008State Violation/Reminder Notice2 linked violations
September 2, 2008State Compliance achieved1 linked violation
August 15, 2008State Public Notification requested1 linked violation
August 15, 2008State Violation/Reminder Notice1 linked violation
August 13, 2008State Violation/Reminder Notice1 linked violation
May 9, 2008State Violation/Reminder Notice1 linked violation
May 9, 2008State Public Notification requested1 linked violation
April 9, 2008State Compliance achieved1 linked violation
April 3, 2008State Public Notification requested1 linked violation
April 3, 2008State Violation/Reminder Notice1 linked violation
February 11, 2008State Public Notification requested1 linked violation
February 11, 2008State Violation/Reminder Notice1 linked violation
February 8, 2008State Violation/Reminder Notice5 linked violations
February 8, 2008State Public Notification requested1 linked violation
February 8, 2008State Violation/Reminder Notice1 linked violation
February 8, 2008State Public Notification requested5 linked violations
February 1, 2008State Public Notification requested1 linked violation
February 1, 2008State Violation/Reminder Notice1 linked violation
December 19, 2007State Public Notification requested2 linked violations
December 19, 2007State Violation/Reminder Notice2 linked violations
November 29, 2007State Compliance achieved13 linked violations
November 21, 2007State Public Notification requested1 linked violation
November 21, 2007State Violation/Reminder Notice1 linked violation
August 31, 2007State Public Notification requested6 linked violations
August 31, 2007State Administrative/Compliance Order with penalty issued12 linked violations
August 10, 2007State Violation/Reminder Notice1 linked violation
August 10, 2007State Public Notification requested1 linked violation
August 1, 2007State Violation/Reminder Notice1 linked violation
May 2, 2007State Compliance achieved11 linked violations
February 15, 2007State Administrative/Compliance Order with penalty issued2 linked violations
February 12, 2007State Public Notification requested1 linked violation
February 12, 2007State Violation/Reminder Notice1 linked violation
February 9, 2007State Violation/Reminder Notice1 linked violation
February 9, 2007State Public Notification requested1 linked violation
February 8, 2007State Public Notification requested1 linked violation
February 8, 2007State Violation/Reminder Notice1 linked violation
December 18, 2006State Violation/Reminder Notice1 linked violation
December 18, 2006State Public Notification requested1 linked violation
December 13, 2006State Public Notification requested1 linked violation
December 13, 2006State Violation/Reminder Notice1 linked violation
December 13, 2006State Violation/Reminder Notice1 linked violation
December 13, 2006State Public Notification requested1 linked violation
November 30, 2006State Administrative/Compliance Order without penalty issued7 linked violations
November 30, 2006State Public Notification requested4 linked violations
October 2, 2006State Violation/Reminder Notice1 linked violation
August 18, 2006State Public Notification requested1 linked violation
June 7, 2006State Violation/Reminder Notice1 linked violation
June 7, 2006State Public Notification requested1 linked violation
March 28, 2006State Violation/Reminder Notice1 linked violation
March 28, 2006State Public Notification requested1 linked violation
March 14, 2006State Public Notification requested1 linked violation
March 14, 2006State Violation/Reminder Notice1 linked violation
February 24, 2006State Administrative/Compliance Order without penalty issued1 linked violation
November 30, 2005State Administrative/Compliance Order without penalty issued22 linked violations
November 10, 2005State Violation/Reminder Notice1 linked violation
October 18, 2005State Compliance achievedgeneral compliance action — not tied to a specific violation on record
October 18, 2005State Compliance achieved11 linked violations
July 25, 2005State Public Notification requested14 linked violations
July 25, 2005State Violation/Reminder Notice14 linked violations
June 10, 2005State Public Notification requested1 linked violation
June 10, 2005State Violation/Reminder Notice1 linked violation
April 19, 2005State Public Notification requested1 linked violation
April 19, 2005State Violation/Reminder Notice1 linked violation
February 22, 2005State Public Notification requested10 linked violations
February 22, 2005State Violation/Reminder Notice11 linked violations
February 21, 2005State Violation/Reminder Notice1 linked violation
August 3, 2004State Compliance achieved3 linked violations
March 4, 2004State Violation/Reminder Notice1 linked violation
March 4, 2004State Public Notification requested1 linked violation
December 29, 2003State Public Notification requested1 linked violation
December 29, 2003State Violation/Reminder Notice1 linked violation
December 26, 2003State Compliance achieved1 linked violation
December 10, 2003State Compliance achieved6 linked violations
July 30, 2003State Public Notification requested1 linked violation
July 30, 2003State Violation/Reminder Notice3 linked violations
September 30, 2002State Formal Notice of Violation issued1 linked violation
September 30, 2002State Public Notification requested2 linked violations
September 3, 2002State Public Notification requested2 linked violations
May 1, 2002State Compliance achieved1 linked violation
May 1, 2002State Compliance achieved2 linked violations
March 4, 2002State Formal Notice of Violation issued1 linked violation
March 4, 2002State Public Notification requested2 linked violations
December 31, 2001State Public Notification requested2 linked violations
December 28, 2001State Administrative/Compliance Order without penalty issued11 linked violations
August 13, 2001State Formal Notice of Violation issued1 linked violation
August 13, 2001State Public Notification requested1 linked violation
November 13, 2000State Compliance achieved1 linked violation
June 26, 2000State Formal Notice of Violation issued2 linked violations
June 6, 2000Federal Final Administrative Order issued1 linked violation
March 3, 1999State Formal Notice of Violation issued1 linked violation
March 3, 1999State Public Notification requested1 linked violation
March 3, 1999State Public Notification requested1 linked violation
March 3, 1999State Public Notification requested1 linked violation
March 3, 1999State Public Notification requested1 linked violation
March 3, 1999State Public Notification requested1 linked violation
March 3, 1999State Public Notification requested1 linked violation
March 3, 1999State Public Notification requested1 linked violation
March 3, 1999State Public Notification requested1 linked violation
March 3, 1999State Public Notification requested1 linked violation
March 3, 1999State Public Notification requested1 linked violation
March 3, 1999State Public Notification requested1 linked violation
March 3, 1999State Formal Notice of Violation issued1 linked violation
March 3, 1999State Formal Notice of Violation issued1 linked violation
March 3, 1999State Formal Notice of Violation issued1 linked violation
March 3, 1999State Formal Notice of Violation issued1 linked violation
March 3, 1999State Formal Notice of Violation issued1 linked violation
March 3, 1999State Formal Notice of Violation issued1 linked violation
March 3, 1999State Formal Notice of Violation issued1 linked violation
March 3, 1999State Formal Notice of Violation issued1 linked violation
March 3, 1999State Formal Notice of Violation issued1 linked violation
March 3, 1999State Formal Notice of Violation issued1 linked violation
February 10, 1999State Formal Notice of Violation issued1 linked violation
February 10, 1999State Public Notification requested1 linked violation
January 14, 1999State Compliance achieved1 linked violation
January 14, 1999State Compliance achieved2 linked violations
January 14, 1999State Compliance achieved1 linked violation
January 14, 1999State Compliance achieved1 linked violation
January 14, 1999State Compliance achieved1 linked violation
January 14, 1999State Compliance achieved1 linked violation
January 14, 1999State Compliance achieved1 linked violation
January 14, 1999State Compliance achieved1 linked violation
January 14, 1999State Compliance achieved1 linked violation
January 14, 1999State Compliance achieved1 linked violation
January 14, 1999State Compliance achieved1 linked violation
January 14, 1999State Compliance achieved1 linked violation
January 14, 1999State Compliance achieved1 linked violation
October 30, 1998State Public Notification requested1 linked violation
December 31, 1997State Public Notification requested1 linked violation
December 31, 1997State Formal Notice of Violation issued1 linked violation
December 31, 1997State Formal Notice of Violation issued1 linked violation
December 31, 1997State Public Notification requested1 linked violation
April 21, 1997State Public Notification requested1 linked violation
April 21, 1997State Formal Notice of Violation issued2 linked violations
April 15, 1997State Public Notification requested1 linked violation
June 22, 1992State Formal Notice of Violation issued2 linked violations
May 7, 1991State Compliance achieved1 linked violation
April 24, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
December 13, 1989State Unresolvedgeneral compliance action — not tied to a specific violation on record

Last known contact on file (system is inactive)

WHITEAKER, TRAVIS

805-914-9115

SIMI VALLEY, CA 93065