MANSFIELD, OH · Richland County

COLONIAL HILLS MHP Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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 Ohio’s official records. Always confirm current status with Ohio before making decisions based on this information.

System facts

System ID (PWSID): OH7000312
System type: Community Water System
Population served: 185
Service connections: 77
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
January 9, 2020
Unaddressed
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2006 – September 30, 2006
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2002 – July 2, 2007
Resolved
Monitoring, Regular
—
Glyphosate
April 1, 2001 – May 1, 2001
Resolved
Monitoring, Regular
—
BHC-GAMMA
April 1, 2001 – May 1, 2001
Resolved
Monitoring, Regular
—
Methoxychlor
April 1, 2001 – May 1, 2001
Resolved
Monitoring, Regular
—
OXAMYL
April 1, 2001 – May 1, 2001
Resolved
Monitoring, Regular
—
Endothall
April 1, 2001 – May 1, 2001
Resolved
Monitoring, Regular
—
Diquat
April 1, 2001 – May 1, 2001
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Styrene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Toluene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Benzene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2000 – December 31, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2000 – May 31, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2000 – February 29, 2000
Resolved
Monitoring, Regular
—
Styrene
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
Benzene
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
Toluene
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2000 – December 28, 2000
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Benzene
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Styrene
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Fluoride
January 1, 1998 – June 30, 1998
Resolved
Monitoring, Regular
—
Arsenic
January 1, 1998 – June 30, 1998
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 1998 – June 30, 1998
Resolved
Monitoring, Regular
—
Nickel
January 1, 1998 – June 30, 1998
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 1998 – June 30, 1998
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 1998 – June 30, 1998
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 1998 – October 9, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1997 – August 31, 1997
Resolved
Monitoring, Regular
—
Nitrate
July 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Fluoride
October 1, 1984 – September 30, 1987
Archived
Monitoring, Regular
—
Chromium
October 1, 1984 – September 30, 1987
Archived
Monitoring, Regular
—
Cadmium
October 1, 1984 – September 30, 1987
Archived
Monitoring, Regular
—
Barium
October 1, 1984 – September 30, 1987
Archived
Monitoring, Regular
—
Arsenic
October 1, 1984 – September 30, 1987
Archived
Monitoring, Regular
—
Nitrate
October 1, 1984 – September 30, 1987
Archived
Monitoring, Regular
—
Selenium
October 1, 1984 – September 30, 1987
Archived
Monitoring, Regular
—
Mercury
October 1, 1984 – September 30, 1987
Archived

Unaddressed no corrective action on record yetResolved 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 9, 2020	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
September 1, 2006 – September 30, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2002 – July 2, 2007	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
April 1, 2001 – May 1, 2001	Monitoring, Regular	Glyphosate	—	Resolved
April 1, 2001 – May 1, 2001	Monitoring, Regular	BHC-GAMMA	—	Resolved
April 1, 2001 – May 1, 2001	Monitoring, Regular	Methoxychlor	—	Resolved
April 1, 2001 – May 1, 2001	Monitoring, Regular	OXAMYL	—	Resolved
April 1, 2001 – May 1, 2001	Monitoring, Regular	Endothall	—	Resolved
April 1, 2001 – May 1, 2001	Monitoring, Regular	Diquat	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Styrene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Toluene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Benzene	—	Resolved
July 1, 2000 – December 31, 2000	Monitoring, Regular	Nitrate	—	Resolved
May 1, 2000 – May 31, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 2000 – February 29, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	Styrene	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	Benzene	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	Toluene	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2000 – December 28, 2000	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Benzene	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Styrene	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1998 – June 30, 1998	Monitoring, Regular	Fluoride	—	Resolved
January 1, 1998 – June 30, 1998	Monitoring, Regular	Arsenic	—	Resolved
January 1, 1998 – June 30, 1998	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 1998 – June 30, 1998	Monitoring, Regular	Nickel	—	Resolved
January 1, 1998 – June 30, 1998	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 1998 – June 30, 1998	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 1998 – October 9, 2001	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
August 1, 1997 – August 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1994 – December 31, 1994	Monitoring, Regular	Nitrate	—	Resolved
October 1, 1984 – September 30, 1987	Monitoring, Regular	Fluoride	—	Archived
October 1, 1984 – September 30, 1987	Monitoring, Regular	Chromium	—	Archived
October 1, 1984 – September 30, 1987	Monitoring, Regular	Cadmium	—	Archived
October 1, 1984 – September 30, 1987	Monitoring, Regular	Barium	—	Archived
October 1, 1984 – September 30, 1987	Monitoring, Regular	Arsenic	—	Archived
October 1, 1984 – September 30, 1987	Monitoring, Regular	Nitrate	—	Archived
October 1, 1984 – September 30, 1987	Monitoring, Regular	Selenium	—	Archived
October 1, 1984 – September 30, 1987	Monitoring, Regular	Mercury	—	Archived

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

April 19, 2007State Compliance achieved36 linked violations
March 6, 2002State Compliance achieved21 linked violations
December 28, 2000State Compliance achieved42 linked violations
September 30, 1985State Formal Notice of Violation issued8 linked violations

Contact

STIMPSON, HEATHER

419-989-7164

MANSFIELD, OH 44906