A81/100
MAHASKA RURAL WATER SYSTEM, INC. — Water Quality Report 2026
Serving 9,818 people · Iowa
Water Source
Groundwater
County
—
System ID
IA6273901
Violations
7
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About MAHASKA RURAL WATER SYSTEM, INC.
Is MAHASKA RURAL WATER SYSTEM, INC. water safe to drink?
MAHASKA RURAL WATER SYSTEM, INC. water receives a grade of A (81/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has MAHASKA RURAL WATER SYSTEM, INC. detected?
31 contaminants were tested in MAHASKA RURAL WATER SYSTEM, INC.'s water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does MAHASKA RURAL WATER SYSTEM, INC. have any EPA violations?
Yes, MAHASKA RURAL WATER SYSTEM, INC. has 7 EPA violation(s) on record, with the most recent in 2016. Violation types include TT, MCL, MR. 3 are health-based violations.
How many people does MAHASKA RURAL WATER SYSTEM, INC. serve?
MAHASKA RURAL WATER SYSTEM, INC. serves approximately 9,818 people, Iowa. The system provides water to 1 community: Oskaloosa.
What type of water does MAHASKA RURAL WATER SYSTEM, INC. provide?
MAHASKA RURAL WATER SYSTEM, INC. sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA6273901.
How does MAHASKA RURAL WATER SYSTEM, INC. compare to other utilities in Iowa?
MAHASKA RURAL WATER SYSTEM, INC. scores 81/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Iowa state page for a full comparison of water systems.