CHRISTIANSBURG, VA · Montgomery County

TWIN BOULDERS SUBDIVISION 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 Virginia’s official records. Always confirm current status with Virginia before making decisions based on this information.

System facts

System ID (PWSID): VA1121755
System type: Community Water System
Population served: 90
Service connections: 29
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 2, 2024 – November 7, 2024
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 10, 2022 – June 14, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2021 – December 31, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 27, 2021 – June 14, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 27, 2021 – June 14, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2021 – November 30, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2021 – October 31, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
September 23, 2021 – June 14, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2021 – September 30, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 23, 2021 – June 14, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 23, 2021 – June 14, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2021 – August 31, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 16, 2021 – June 14, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2021 – July 31, 2021
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2021 – September 30, 2021
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2021 – June 14, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2021 – June 30, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 22, 2021 – June 14, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 22, 2021 – June 14, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2021 – May 31, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 16, 2021 – June 14, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 1, 2021 – June 14, 2022
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2021 – June 30, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2021 – April 30, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2021 – March 31, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2021 – February 28, 2021
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2021 – March 31, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 1, 2021 – June 14, 2022
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2021 – December 31, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2020 – November 30, 2020
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2020 – October 31, 2020
Archived
Treatment Technique No Certif. Operator
Health-based
Stage 1 Disinfectants and Disinfection Byproducts Rule
February 1, 2020 – May 5, 2022
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2020 – December 31, 2020
Resolved
Monitoring, Routine (IDSE)
—
TTHM
January 1, 2019 – December 31, 2021
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2016 – July 15, 2019
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 24, 2015 – February 18, 2016
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Routine (IDSE)
—
TTHM
January 1, 2014 – December 31, 2014
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2008 – September 25, 2009
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 5, 2004 – March 16, 2004
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 8, 2003 – March 16, 2004
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – July 1, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2003 – May 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2003 – January 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2002 – August 31, 2002
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2002 – July 1, 2004
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Toluene
January 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
Styrene
January 1, 2002 – December 31, 2002
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
October 2, 2024 – November 7, 2024	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 10, 2022 – June 14, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 1, 2021 – December 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
November 27, 2021 – June 14, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
November 27, 2021 – June 14, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
November 1, 2021 – November 30, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2021 – October 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
September 23, 2021 – June 14, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
September 1, 2021 – September 30, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
August 23, 2021 – June 14, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
August 23, 2021 – June 14, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
August 1, 2021 – August 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 16, 2021 – June 14, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2021 – July 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2021 – June 14, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2021 – June 30, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
May 22, 2021 – June 14, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
May 22, 2021 – June 14, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
May 1, 2021 – May 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 16, 2021 – June 14, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2021 – June 14, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2021 – June 30, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2021 – April 30, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
March 1, 2021 – March 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
February 1, 2021 – February 28, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2021 – June 14, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
November 1, 2020 – November 30, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2020 – October 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
February 1, 2020 – May 5, 2022	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-based	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 2019 – December 31, 2021	Monitoring, Routine (IDSE)	TTHM	—	Resolved
October 1, 2016 – July 15, 2019	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
December 24, 2015 – February 18, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Routine (IDSE)	TTHM	—	Resolved
January 1, 2008 – September 25, 2009	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
February 5, 2004 – March 16, 2004	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 8, 2003 – March 16, 2004	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2003 – July 1, 2004	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
May 1, 2003 – May 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2003 – January 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2002 – August 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2002 – July 1, 2004	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Toluene	—	Resolved
January 1, 2002 – December 31, 2002	Monitoring, Regular	Styrene	—	Resolved

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

Enforcement actions

December 10, 2024State Formal Notice of Violation issued1 linked violation
November 7, 2024State Compliance achieved1 linked violation
September 15, 2022State Compliance achieved2 linked violations
June 15, 2022State Public Notification received2 linked violations
June 15, 2022State Public Notification received1 linked violation
June 15, 2022State Public Notification received4 linked violations
June 15, 2022State Public Notification received6 linked violations
June 15, 2022State Public Notification received1 linked violation
June 15, 2022State Public Notification received2 linked violations
June 15, 2022State Public Notification received1 linked violation
June 15, 2022State Public Notification received2 linked violations
June 15, 2022State Public Notification received5 linked violations
June 15, 2022State Public Notification received1 linked violation
June 15, 2022State Public Notification received1 linked violation
June 15, 2022State Public Notification received6 linked violations
June 15, 2022State Public Notification received1 linked violation
June 15, 2022State Public Notification received1 linked violation
June 15, 2022State Public Notification received1 linked violation
June 15, 2022State Public Notification received1 linked violation
June 15, 2022State Public Notification received1 linked violation
June 15, 2022State Public Notification received1 linked violation
June 15, 2022State Public Notification received1 linked violation
June 14, 2022State Compliance achieved1 linked violation
June 14, 2022State Compliance achieved1 linked violation
June 14, 2022State Compliance achieved1 linked violation
June 14, 2022State Compliance achieved1 linked violation
June 14, 2022State Compliance achieved1 linked violation
June 14, 2022State Compliance achieved1 linked violation
June 14, 2022State Compliance achieved1 linked violation
June 14, 2022State Compliance achieved1 linked violation
June 14, 2022State Compliance achieved1 linked violation
June 14, 2022State Compliance achieved1 linked violation
June 14, 2022State Compliance achieved1 linked violation
June 14, 2022State Compliance achieved1 linked violation
June 14, 2022State Compliance achieved1 linked violation
June 14, 2022State Compliance achieved1 linked violation
June 14, 2022State Compliance achieved2 linked violations
June 14, 2022State Compliance achieved20 linked violations
June 14, 2022State Compliance achieved11 linked violations
June 14, 2022State Compliance achieved3 linked violations
June 14, 2022State Compliance achieved1 linked violation
June 7, 2022State Compliance achieved1 linked violation
June 7, 2022State Compliance achieved2 linked violations
May 5, 2022State Compliance achieved1 linked violation
February 23, 2022State Compliance achieved1 linked violation
February 23, 2022State Compliance achieved3 linked violations
February 23, 2022State Compliance achieved1 linked violation
February 23, 2022State Compliance achieved1 linked violation
February 23, 2022State Compliance achieved1 linked violation
February 23, 2022State Compliance achieved1 linked violation
February 23, 2022State Compliance achieved1 linked violation
February 23, 2022State Compliance achieved3 linked violations
February 23, 2022State Compliance achieved1 linked violation
February 2, 2022State Formal Notice of Violation issued2 linked violations
January 26, 2022State Compliance achieved1 linked violation
December 10, 2021State Formal Notice of Violation issued1 linked violation
December 10, 2021State Formal Notice of Violation issued4 linked violations
December 10, 2021State Public Notification requested1 linked violation
November 23, 2021State Formal Notice of Violation issued1 linked violation
November 23, 2021State Formal Notice of Violation issued2 linked violations
November 23, 2021State Public Notification requested5 linked violations
October 27, 2021State Formal Notice of Violation issued1 linked violation
October 27, 2021State Formal Notice of Violation issued1 linked violation
October 27, 2021State Formal Notice of Violation issued1 linked violation
October 27, 2021State Public Notification requested1 linked violation
October 27, 2021State Public Notification requested1 linked violation
October 27, 2021State Public Notification requested2 linked violations
September 23, 2021State Formal Notice of Violation issued1 linked violation
September 23, 2021State Public Notification requested1 linked violation
September 23, 2021State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
September 23, 2021State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
September 23, 2021State Formal Notice of Violation issued1 linked violation
August 23, 2021State Formal Notice of Violation issued3 linked violations
August 23, 2021State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
August 23, 2021State Formal Notice of Violation issued1 linked violation
July 23, 2021State Formal Notice of Violation issued1 linked violation
July 23, 2021State Public Notification requested1 linked violation
July 23, 2021State Public Notification requested1 linked violation
July 23, 2021State Formal Notice of Violation issued1 linked violation
June 15, 2021State Formal Notice of Violation issued7 linked violations
June 15, 2021State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
June 15, 2021State Public Notification requested1 linked violation
June 5, 2021State Administrative/Compliance Order with penalty issued43 linked violations
May 20, 2021State Formal Notice of Violation issued1 linked violation
May 20, 2021State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
May 20, 2021State Public Notification requested1 linked violation
April 21, 2021State Formal Notice of Violation issued2 linked violations
April 21, 2021State Formal Notice of Violation issued8 linked violations
April 21, 2021State Public Notification requested6 linked violations
February 3, 2021State Public Notification requested1 linked violation
February 3, 2021State Formal Notice of Violation issued1 linked violation
February 3, 2021State Public Notification requested1 linked violation
February 3, 2021State Public Notification requested1 linked violation
February 3, 2021State Formal Notice of Violation issued1 linked violation
January 24, 2021State Compliance achievedgeneral compliance action — not tied to a specific violation on record
January 24, 2021State Compliance achieved1 linked violation
January 24, 2021State Compliance achieved1 linked violation
January 24, 2021State Compliance achieved1 linked violation
December 15, 2020State Public Notification requested2 linked violations
December 15, 2020State Formal Notice of Violation issued1 linked violation
November 30, 2020State Public Notification requested1 linked violation
November 30, 2020State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 30, 2020State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
September 28, 2020State Formal Notice of Violation issued1 linked violation
July 8, 2020State Public Notification requested1 linked violation
July 8, 2020State Formal Notice of Violation issued1 linked violation
July 15, 2019State Compliance achieved1 linked violation
July 11, 2019State Public Notification received1 linked violation
April 25, 2019State Public Notification requested1 linked violation
April 25, 2019State Formal Notice of Violation issued1 linked violation
February 18, 2016State Compliance achieved1 linked violation
February 18, 2016State Formal Notice of Violation issued1 linked violation
September 29, 2015State Public Notification received1 linked violation
September 29, 2015State Public Notification received1 linked violation
August 16, 2015State Compliance achieved1 linked violation
August 16, 2015State Compliance achieved1 linked violation
February 4, 2015State Formal Notice of Violation issued1 linked violation
February 4, 2015State Public Notification requested1 linked violation
February 4, 2015State Formal Notice of Violation issued2 linked violations
February 4, 2015State Public Notification requested1 linked violation
September 25, 2009State Compliance achieved4 linked violations
January 6, 2009State Public Notification requested2 linked violations
October 13, 2005Federal Compliance achieved1 linked violation
July 28, 2004Federal Compliance achieved3 linked violations
July 12, 2004State Public Notification received1 linked violation
July 1, 2004State Compliance achieved4 linked violations
March 18, 2004State Public Notification received2 linked violations
March 18, 2004State Public Notification received4 linked violations
December 17, 2003State Formal Notice of Violation issued31 linked violations
April 9, 2003State Public Notification requested24 linked violations
March 1, 2003State Compliance achieved2 linked violations
February 4, 2003State Formal Notice of Violation issued4 linked violations
August 6, 2002State Public Notification requested10 linked violations
May 30, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

Contact

POFF, BRIAN

Phone not on record

CHRISTIANSBURG, VA 24073