Is LOUISIANA PWS required to publish a Consumer Confidence Report?

Yes. LOUISIANA PWS is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is LOUISIANA PWS’s next Consumer Confidence Report due?

LOUISIANA PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

LOUISIANA, MO · Pike County

LOUISIANA PWS Water System

Consumer Confidence Report status

LOUISIANA PWS must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show 1 item for LOUISIANA PWS that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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): MO2010479
System type: Community Water System
Population served: 3,244
Service connections: 1,534
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

LOUISIANA PWS is one of 489 community water systems in Missouri in the 501 to 3,300 people size category, serving 3,244 people from surface water.

As of August 1, 2026, its federal record holds 63 entries between 1989 and 2026, of which 1 remains open; none are health-based.

Of the 63, 31 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Stage 2 Disinfectants and Disinfection Byproducts Rule, volatile organic chemicals, and the Surface Water Treatment Rules.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2026 – March 31, 2026
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2025 – October 31, 2025
Resolved
Monitoring, Regular
—
Fluoride
October 1, 2025 – December 31, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2025 – December 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2025 – September 30, 2025
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 23, 2025 – July 28, 2025
Resolved
Notification, Known or Potential LSL
—
LEAD AND COPPER RULE REVISIONS
July 2, 2025
Unaddressed
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2025 – March 31, 2025
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2024 – December 31, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2024 – December 31, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2024 – September 30, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2024 – June 30, 2024
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2024 – June 30, 2024
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2024 – June 30, 2024
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2024 – June 30, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2024 – June 30, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2021 – December 31, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2021 – September 30, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 28, 2018 – May 3, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2017 – December 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2017 – September 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2017 – September 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2017 – June 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2017 – June 30, 2017
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2017 – January 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2017 – March 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2017 – March 31, 2017
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2016 – December 31, 2016
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2016 – November 30, 2016
Resolved
Record Keeping
—
Long Term 2 Enhanced Surface Water Treatment Rule
November 1, 2016 – November 2, 2017
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2016 – October 31, 2016
Resolved
Record Keeping
—
Long Term 2 Enhanced Surface Water Treatment Rule
October 1, 2016 – November 2, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2016 – June 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2016 – March 31, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2015 – December 31, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2015 – September 30, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2015 – September 30, 2015
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 2013 – January 31, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2013 – March 31, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2012 – December 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2011 – June 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2011 – March 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2010 – December 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2010 – September 30, 2010
Resolved
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
—
Carbon tetrachloride
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1989 – December 31, 1989
Archived
Monitoring, Regular
—
Styrene
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
—
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

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2026 – March 31, 2026	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
October 1, 2025 – October 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2025 – December 31, 2025	Monitoring, Regular	Fluoride	—	Archived
October 1, 2025 – December 31, 2025	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
September 1, 2025 – September 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 23, 2025 – July 28, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 2, 2025	Notification, Known or Potential LSL	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
January 1, 2025 – March 31, 2025	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2024 – September 30, 2024	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2024 – September 30, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
June 1, 2024 – June 30, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
June 1, 2024 – June 30, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2024 – June 30, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2024 – June 30, 2024	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Archived
April 1, 2024 – June 30, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2021 – December 31, 2021	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2021 – September 30, 2021	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 28, 2018 – May 3, 2018	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2017 – December 31, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2017 – June 30, 2017	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2017 – June 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2017 – January 31, 2017	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2017 – March 31, 2017	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2017 – March 31, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
December 1, 2016 – December 31, 2016	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2016 – November 30, 2016	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2016 – November 2, 2017	Record Keeping	Long Term 2 Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2016 – October 31, 2016	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2016 – November 2, 2017	Record Keeping	Long Term 2 Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2016 – June 30, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2013 – January 31, 2013	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2013 – March 31, 2013	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2012 – December 31, 2012	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2011 – June 30, 2011	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2011 – March 31, 2011	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2010 – September 30, 2010	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
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	Carbon tetrachloride	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 1989 – December 31, 1989	Monitoring, Regular	Styrene	—	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	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

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is LOUISIANA PWS required to publish a Consumer Confidence Report?: Yes. LOUISIANA PWS is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is LOUISIANA PWS’s next Consumer Confidence Report due?: LOUISIANA PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does LOUISIANA PWS have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 1 item for LOUISIANA PWS that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

CARTER, TIMOTHY

573-719-6053

LOUISIANA, MO 63353-0000