Is TOWN OF OLLA WATER SYSTEM required to publish a Consumer Confidence Report?

Yes. TOWN OF OLLA WATER SYSTEM 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 TOWN OF OLLA WATER SYSTEM’s next Consumer Confidence Report due?

TOWN OF OLLA WATER SYSTEM’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.

OLLA, LA · La Salle Parish County

TOWN OF OLLA WATER SYSTEM Water System

Consumer Confidence Report status

TOWN OF OLLA WATER SYSTEM 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 no open violations for TOWN OF OLLA WATER SYSTEM.

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

System facts

System ID (PWSID): LA1059004
System type: Community Water System
Population served: 2,565
Service connections: 855
Ownership: local government
Water source: groundwater (wells)

TOWN OF OLLA WATER SYSTEM is one of 509 community water systems in Louisiana in the 501 to 3,300 people size category, serving 2,565 people from groundwater.

As of August 1, 2026, its federal record holds 18 entries between 1992 and 2021, all of which EPA lists as closed. Nothing has been added since 2021.

Of the 18, 4 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, the Total Coliform Rules, and the Consumer Confidence Rule.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2021 – December 31, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2021 – June 30, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2019 – March 31, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2018 – December 31, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2018 – September 30, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2018 – June 30, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2018 – March 31, 2018
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
TTHM
October 31, 2017 – March 14, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2017 – December 31, 2017
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2017 – July 18, 2018
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
TTHM
July 31, 2017 – March 14, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2017 – September 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2014 – June 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2013 – December 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2013 – December 31, 2013
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 2003 – April 30, 2003
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1998 – September 30, 1998
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1992 – July 31, 1992
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
October 1, 2021 – December 31, 2021	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2021 – June 30, 2021	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2019 – March 31, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2018 – December 31, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2018 – September 30, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2018 – June 30, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2018 – March 31, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 31, 2017 – March 14, 2018	Failure Submit IDSE/Subpart V Plan Rpt	TTHM	—	Resolved
October 1, 2017 – December 31, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2017 – July 18, 2018	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 31, 2017 – March 14, 2018	Failure Submit IDSE/Subpart V Plan Rpt	TTHM	—	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2014 – June 30, 2014	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2013 – December 31, 2013	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2013 – December 31, 2013	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2003 – April 30, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
September 1, 1998 – September 30, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
July 1, 1992 – July 31, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	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

December 16, 2024State Site Visit for enforcement purposes1 linked violation
February 22, 2022State Public Notification received2 linked violations
January 20, 2022State Violation/Reminder Notice2 linked violations
December 2, 2021State Site Visit for enforcement purposes9 linked violations
November 30, 2021State Site Visit for enforcement purposes9 linked violations
August 2, 2021State Public Notification received1 linked violation
July 6, 2021State Public Notification requested3 linked violations
May 17, 2019State Public Notification received4 linked violations
April 17, 2019State Violation/Reminder Notice2 linked violations
January 15, 2019State Site Visit for enforcement purposes1 linked violation
October 26, 2018State Site Visit for enforcement purposes1 linked violation
September 28, 2018State Violation/Reminder Notice1 linked violation
September 28, 2018State Public Notification requested3 linked violations
September 18, 2018State Site Visit for enforcement purposes5 linked violations
August 8, 2018State Public Notification received2 linked violations
July 11, 2018State Administrative/Compliance Order without penalty issued13 linked violations
July 10, 2018State Violation/Reminder Notice2 linked violations
June 19, 2018State Compliance achieved2 linked violations
April 30, 2018State Public Notification received1 linked violation
April 16, 2018State Violation/Reminder Notice1 linked violation
April 16, 2018State Public Notification requested1 linked violation
March 14, 2018State Compliance achieved1 linked violation
March 14, 2018State Compliance achieved1 linked violation
March 2, 2018State Public Notification received1 linked violation
March 1, 2018State Public Notification received1 linked violation
February 16, 2018State Violation/Reminder Notice1 linked violation
February 16, 2018State Violation/Reminder Notice1 linked violation
January 31, 2018State Violation/Reminder Notice2 linked violations
November 16, 2017State Public Notification requested2 linked violations
August 5, 2014State Violation/Reminder Notice1 linked violation
August 5, 2014State Public Notification requested1 linked violation
February 6, 2014State Public Notification requested4 linked violations
April 26, 2013State Compliance achieved2 linked violations
August 23, 2005State Compliance achieved3 linked violations

Common questions

Is TOWN OF OLLA WATER SYSTEM required to publish a Consumer Confidence Report?: Yes. TOWN OF OLLA WATER SYSTEM 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 TOWN OF OLLA WATER SYSTEM’s next Consumer Confidence Report due?: TOWN OF OLLA WATER SYSTEM’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does TOWN OF OLLA WATER SYSTEM have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for TOWN OF OLLA WATER SYSTEM.
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

ELLIOTT, RHONDA

318-495-5151

OLLA, LA 71465