Is MAHASKA RURAL WATER (NEW SHARON) required to publish a Consumer Confidence Report?

Yes. MAHASKA RURAL WATER (NEW SHARON) 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 MAHASKA RURAL WATER (NEW SHARON)’s next Consumer Confidence Report due?

MAHASKA RURAL WATER (NEW SHARON)’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.

OSKALOOSA, IA · Mahaska County

MAHASKA RURAL WATER (NEW SHARON) Water System

Consumer Confidence Report status

MAHASKA RURAL WATER (NEW SHARON) 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 MAHASKA RURAL WATER (NEW SHARON).

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

System facts

System ID (PWSID): IA6264063
System type: Community Water System
Population served: 1,368
Service connections: 600
Ownership: local government
Water source: groundwater (wells)

MAHASKA RURAL WATER (NEW SHARON) is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 1,368 people from groundwater.

As of August 1, 2026, its federal record holds 8 entries between 1988 and 1990, all of which EPA lists as closed. Nothing has been added since 1990.

All 8 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 inorganic chemicals and the Lead and Copper Rule.

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 1990 – December 18, 1991
Resolved
Monitoring, Regular
—
Barium
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Cadmium
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Fluoride
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Mercury
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Nitrate
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Arsenic
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Selenium
April 1, 1988 – March 31, 1991
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 1990 – December 18, 1991	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Barium	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Cadmium	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Fluoride	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Mercury	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Nitrate	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Arsenic	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Selenium	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

March 1, 2024State Public Notification received1 linked violation
December 13, 2023State Formal Notice of Violation issued10 linked violations
November 14, 2023State Compliance achieved3 linked violations
May 7, 1992State Public Notification received2 linked violations
May 7, 1992State Public Notification received1 linked violation
May 7, 1992State Public Notification received1 linked violation
May 7, 1992State Public Notification received10 linked violations
December 30, 1991State Administrative/Compliance Order without penalty issued2 linked violations
December 30, 1991State Administrative/Compliance Order without penalty issued10 linked violations
December 30, 1991State Administrative/Compliance Order without penalty issued1 linked violation
December 30, 1991State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record
December 30, 1991State Administrative/Compliance Order without penalty issued1 linked violation
December 18, 1991State Compliance achievedgeneral compliance action — not tied to a specific violation on record
December 18, 1991State Compliance achieved3 linked violations
December 18, 1991State Compliance achieved2 linked violations
December 18, 1991State Compliance achieved4 linked violations
December 18, 1991State Compliance achieved10 linked violations
December 18, 1991State Compliance achieved1 linked violation
December 12, 1991State Public Notification requested4 linked violations
December 12, 1991State Formal Notice of Violation issued10 linked violations
December 12, 1991State Public Notification requested11 linked violations
December 12, 1991State Formal Notice of Violation issued2 linked violations
December 12, 1991State Public Notification requested3 linked violations
December 12, 1991State Public Notification requested1 linked violation
December 12, 1991State Formal Notice of Violation issued2 linked violations
December 12, 1991State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
December 12, 1991State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 12, 1991State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
December 12, 1991State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

Common questions

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

MAHASKA RURAL WATER (NEW SHARON)

641-660-0332

OSKALOOSA, IA 52577