GREELEY, CO · Boulder County

SANS SOUCI MHP Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

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): CO0107702
System type: Community Water System
Population served: 150
Service connections: 63
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2025 – October 22, 2025
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2022 – January 31, 2022
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2020 – May 31, 2020
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 13, 2020 – February 17, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2020 – February 29, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2020 – February 29, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2020 – January 31, 2020
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 13, 2019 – January 17, 2020
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 13, 2019 – October 10, 2019
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2019 – July 31, 2019
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2019 – July 31, 2019
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
June 1, 2019 – June 30, 2019
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 13, 2019 – October 7, 2019
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
Stage 2 Disinfectants and Disinfection Byproducts Rule
May 1, 2019 – June 18, 2019
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
April 1, 2019 – June 3, 2020
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
April 1, 2019 – January 17, 2020
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 15, 2019 – October 10, 2019
Resolved
Public Education
Health-based
Lead and Copper Rule
December 1, 2018 – February 11, 2019
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2018 – December 31, 2018
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
June 1, 2017 – June 30, 2017
Resolved
Treatment Technique No Certif. Operator
Health-based
Stage 1 Disinfectants and Disinfection Byproducts Rule
April 1, 2016 – March 31, 2017
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2015 – July 31, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2015 – July 31, 2015
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Vinyl chloride
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Toluene
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Styrene
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Selenium
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Nickel
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Chromium
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Barium
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Toluene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Benzene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 1996 – November 30, 1996
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Selenium
July 6, 1986 – July 6, 1989
Archived

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
January 1, 2025 – October 22, 2025	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2022 – January 31, 2022	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2020 – May 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 13, 2020 – February 17, 2020	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
February 1, 2020 – February 29, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2020 – February 29, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2020 – January 31, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 13, 2019 – January 17, 2020	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
August 13, 2019 – October 10, 2019	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2019 – July 31, 2019	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
July 1, 2019 – July 31, 2019	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
June 1, 2019 – June 30, 2019	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
May 13, 2019 – October 7, 2019	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
May 1, 2019 – June 18, 2019	Failure Submit IDSE/Subpart V Plan Rpt	Stage 2 Disinfectants and Disinfection Byproducts Rule	—	Resolved
April 1, 2019 – June 3, 2020	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
April 1, 2019 – January 17, 2020	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
February 15, 2019 – October 10, 2019	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 1, 2018 – February 11, 2019	Public Education	Lead and Copper Rule	Health-based	Resolved
January 1, 2018 – December 31, 2018	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
June 1, 2017 – June 30, 2017	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
April 1, 2016 – March 31, 2017	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-based	Resolved
July 1, 2015 – July 31, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2015 – July 31, 2015	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Vinyl chloride	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	CHLOROBENZENE	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Toluene	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Styrene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Selenium	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Nickel	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Chromium	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Barium	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Toluene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Benzene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Tetrachloroethylene	—	Resolved
November 1, 1996 – November 30, 1996	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 6, 1986 – July 6, 1989	Maximum Contaminant Level Violation, Average	Selenium	Health-based	Archived

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

Enforcement actions

January 6, 2026State Violation/Reminder Notice1 linked violation
January 6, 2026State Violation/Reminder Notice1 linked violation
December 26, 2025State Compliance achieved2 linked violations
November 21, 2025State Violation/Reminder Notice1 linked violation
November 20, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 20, 2025State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 20, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 20, 2025State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 20, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 20, 2025State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 23, 2025State Compliance achieved2 linked violations
October 22, 2025State Public Notification received1 linked violation
October 22, 2025State Compliance achieved7 linked violations
October 14, 2025State Compliance achieved1 linked violation
September 3, 2025State Violation/Reminder Notice1 linked violation
January 6, 2025State Public Notification requested1 linked violation
July 15, 2024State Public Notification requested1 linked violation
July 15, 2024State Violation/Reminder Notice1 linked violation
July 9, 2024State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 9, 2024State Compliance achieved1 linked violation
July 8, 2024State Violation/Reminder Notice1 linked violation
April 3, 2024State Violation/Reminder Notice1 linked violation
January 4, 2024State Violation/Reminder Notice1 linked violation
December 15, 2023State Compliance achieved3 linked violations
December 14, 2023State Public Notification requested1 linked violation
December 14, 2023State Public Notification requested1 linked violation
December 14, 2023State Violation/Reminder Notice1 linked violation
December 14, 2023State Public Notification requested1 linked violation
December 14, 2023State Violation/Reminder Notice1 linked violation
December 14, 2023State Violation/Reminder Notice1 linked violation
October 27, 2023State Violation/Reminder Notice1 linked violation
August 18, 2023State Violation/Reminder Notice1 linked violation
July 15, 2023State Compliance achieved2 linked violations
July 14, 2023State Public Notification requested1 linked violation
July 14, 2023State Violation/Reminder Notice1 linked violation
July 14, 2023State Violation/Reminder Notice1 linked violation
July 14, 2023State Public Notification requested1 linked violation
April 5, 2023State Violation/Reminder Notice1 linked violation
February 21, 2023State Public Notification requested1 linked violation
February 21, 2023State Violation/Reminder Notice1 linked violation
November 22, 2022State Public Notification requested1 linked violation
November 22, 2022State Public Notification requested1 linked violation
November 22, 2022State Violation/Reminder Notice1 linked violation
November 22, 2022State Compliance achieved2 linked violations
November 22, 2022State Violation/Reminder Notice1 linked violation
August 25, 2022State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 25, 2022State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 16, 2022State Public Notification requested1 linked violation
August 16, 2022State Compliance achieved2 linked violations
August 16, 2022State Public Notification requested1 linked violation
August 16, 2022State Violation/Reminder Notice1 linked violation
August 16, 2022State Violation/Reminder Notice1 linked violation
July 28, 2022State Public Notification received1 linked violation
July 28, 2022State Public Notification received1 linked violation
July 27, 2022State Violation/Reminder Notice2 linked violations
July 27, 2022State Violation/Reminder Notice2 linked violations
February 19, 2022State Public Notification received3 linked violations
February 16, 2022State Public Notification requested3 linked violations
February 16, 2022State Violation/Reminder Notice2 linked violations
February 16, 2022State Violation/Reminder Notice1 linked violation
December 31, 2021State Boil Water Order1 linked violation
September 20, 2021State Boil Water Order1 linked violation
September 2, 2021State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
June 3, 2021State Public Notification received2 linked violations
April 8, 2021State Violation/Reminder Notice2 linked violations
April 8, 2021State Public Notification requested2 linked violations
April 8, 2021State Violation/Reminder Notice1 linked violation
September 2, 2020State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
August 13, 2020State Public Notification received1 linked violation
August 13, 2020State Public Notification received2 linked violations
August 4, 2020State Compliance achieved10 linked violations
July 17, 2020State Violation/Reminder Notice1 linked violation
July 17, 2020State Public Notification requested3 linked violations
July 17, 2020State Violation/Reminder Notice1 linked violation
July 17, 2020State Public Notification requested1 linked violation
July 17, 2020State Violation/Reminder Notice1 linked violation
July 17, 2020State Public Notification requested1 linked violation
July 17, 2020State Public Notification requested1 linked violation
June 16, 2020State Violation/Reminder Notice2 linked violations
June 16, 2020State Public Notification requested3 linked violations
June 16, 2020State Violation/Reminder Notice3 linked violations
June 3, 2020State Compliance achieved1 linked violation
May 6, 2020State Public Notification received1 linked violation
March 19, 2020State Violation/Reminder Notice5 linked violations
March 19, 2020State Public Notification requested7 linked violations
February 28, 2020State Public Notification requested2 linked violations
September 11, 2019State Violation/Reminder Notice2 linked violations
September 5, 2019State Compliance achieved4 linked violations
August 22, 2019State Public Notification received2 linked violations
August 15, 2019State Violation/Reminder Notice3 linked violations
August 15, 2019State Public Notification requested2 linked violations
July 12, 2019State Public Notification requested2 linked violations
July 12, 2019State Violation/Reminder Notice1 linked violation
July 11, 2019State Boil Water Order2 linked violations
June 18, 2019State Compliance achieved1 linked violation
June 10, 2019State Violation/Reminder Notice2 linked violations
May 1, 2019State Violation/Reminder Notice2 linked violations
April 12, 2019State Violation/Reminder Notice2 linked violations
April 12, 2019State Violation/Reminder Notice67 linked violations
February 11, 2019State Compliance achieved2 linked violations
January 15, 2019State Public Notification requested2 linked violations
January 15, 2019State Public Notification requested2 linked violations
September 1, 2017State Compliance achieved2 linked violations
July 25, 2017State Public Notification requested11 linked violations
May 20, 2016State Violation/Reminder Notice2 linked violations
January 1, 2016State Compliance achieved2 linked violations
September 21, 2015State Violation/Reminder Notice2 linked violations
September 21, 2015State Public Notification requested1 linked violation
September 21, 2015State Violation/Reminder Notice2 linked violations
November 29, 2011State Compliance achieved22 linked violations
November 10, 2011State Public Notification requested22 linked violations
August 13, 2010State Compliance achieved33 linked violations
June 28, 2010State Compliance achieved3 linked violations
February 10, 2010State Violation/Reminder Notice12 linked violations
February 10, 2010State Violation/Reminder Notice6 linked violations
February 10, 2010State Violation/Reminder Notice22 linked violations
July 29, 2009State Violation/Reminder Notice2 linked violations
August 13, 2008State Violation/Reminder Notice2 linked violations
February 1, 2008State Public Notification requested2 linked violations
December 31, 2007State Public Notification requested6 linked violations
October 10, 2007State Public Notification requested32 linked violations
December 13, 2006State Violation/Reminder Notice4 linked violations
December 13, 2006State Violation/Reminder Notice3 linked violations
April 7, 2005State Violation/Reminder Notice23 linked violations
April 7, 2005State Public Notification requested22 linked violations
January 2, 2004State Compliance achieved2 linked violations
October 31, 2003State Violation/Reminder Notice3 linked violations
December 31, 1996State Public Notification requested1 linked violation
November 25, 1996State Public Notification requested1 linked violation
August 24, 1992State Public Notification requested2 linked violations
December 13, 1989State Intentional no-action1 linked violation

Contact

RIVERA, MAYRA

970-352-1025

GREELEY, CO 80631