HARRISONVILLE, MO · Cass County

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

System facts

System ID (PWSID): MO1010349
System type: Community Water System
Population served: 10,019
Service connections: 4,079
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2024 – December 31, 2024
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2024 – December 31, 2024
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2024 – December 31, 2024
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2021 – December 6, 2021
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2019 – November 25, 2019
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2014 – October 26, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2008 – May 31, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2005 – September 30, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2005 – September 30, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2005 – June 30, 2005
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2004 – March 31, 2004
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 1994 – July 31, 1994
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1993 – August 31, 1993
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 1993 – July 31, 1993
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
March 1, 1991 – March 31, 1991
Archived
Monitoring, Regular
—
Styrene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
Vinyl chloride
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
Benzene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
Toluene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1989 – December 31, 1989
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 1983 – December 31, 1983
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
December 1, 2024 – December 31, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
December 1, 2024 – December 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2024 – December 31, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2021 – December 6, 2021	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2019 – November 25, 2019	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2014 – October 26, 2015	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
May 1, 2008 – May 31, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2005 – June 30, 2005	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2004 – March 31, 2004	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
July 1, 1994 – July 31, 1994	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
August 1, 1993 – August 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
July 1, 1993 – July 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
March 1, 1991 – March 31, 1991	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	Styrene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	Vinyl chloride	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	Benzene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	Toluene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 1983 – December 31, 1983	Maximum Contaminant Level Violation, Average	TTHM	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

No enforcement actions on record for this system.

Contact

BOWMAN, JUDY

816-738-1699

HARRISONVILLE, MO 64701-0000