Is ARROWHEAD LAKE MHP required to publish a Consumer Confidence Report?

Yes. ARROWHEAD LAKE MHP 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 ARROWHEAD LAKE MHP’s next Consumer Confidence Report due?

ARROWHEAD LAKE MHP’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.

WEST COVINA, OH · Lucas County

ARROWHEAD LAKE MHP Water System

Consumer Confidence Report status

ARROWHEAD LAKE MHP 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 3 items for ARROWHEAD LAKE MHP that are 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 Ohio’s official records. Always confirm current status with Ohio before making decisions based on this information.

System facts

System ID (PWSID): OH4800112
System type: Community Water System
Population served: 327
Service connections: 247
Ownership: privately owned
Water source: groundwater (wells)

ARROWHEAD LAKE MHP is one of 1,399 community water systems in Ohio in the 500 or fewer people size category, serving 327 people from groundwater.

As of August 1, 2026, its federal record holds 14 entries between 1992 and 2024, of which 3 remain open; none are health-based.

Of the 14, 7 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 Total Coliform Rules, the Consumer Confidence Rule, and synthetic organic chemicals.

Violation history

Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2024 – June 30, 2024
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
January 3, 2022
Unaddressed
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
December 13, 2018
Unaddressed
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2018 – February 28, 2018
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2016
Unaddressed
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2007 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Simazine
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
LASSO
July 1, 2002 – September 30, 2002
Resolved
Monitoring, Regular
—
Simazine
July 1, 2002 – September 30, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2002 – June 30, 2002
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
June 1, 2002 – June 30, 2002
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
August 1, 1992 – August 31, 1992
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1992 – August 31, 1992
Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2024 – June 30, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 3, 2022	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
December 13, 2018	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
February 1, 2018 – February 28, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Unaddressed
January 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Simazine	—	Resolved
July 1, 2002 – September 30, 2002	Monitoring, Regular	LASSO	—	Resolved
July 1, 2002 – September 30, 2002	Monitoring, Regular	Simazine	—	Resolved
June 1, 2002 – June 30, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2002 – June 30, 2002	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 1992 – August 31, 1992	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 1992 – August 31, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

August 12, 2024State Violation/Reminder Notice4 linked violations
January 3, 2022State Violation/Reminder Notice4 linked violations
April 13, 2018State Public Notification received4 linked violations
January 9, 2012State Compliance achieved5 linked violations
June 29, 2005State Compliance achieved26 linked violations
June 28, 2002State Public Notification requested35 linked violations
June 27, 2002State Boil Water Order1 linked violation
January 19, 1988State Public Notification received1 linked violation
March 24, 1987State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 16, 1986State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
February 23, 1981State Public Notification received1 linked violation

Common questions

Is ARROWHEAD LAKE MHP required to publish a Consumer Confidence Report?: Yes. ARROWHEAD LAKE MHP 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 ARROWHEAD LAKE MHP’s next Consumer Confidence Report due?: ARROWHEAD LAKE MHP’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ARROWHEAD LAKE MHP have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 3 items for ARROWHEAD LAKE MHP that are 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

NEWKIRK, ALEJANDRO

626-768-9536

WEST COVINA, CA 91791