C59/100
ALTOONA WATER SUPPLY — Water Quality Report 2026
Serving 19,565 people · Iowa
Water Source
Groundwater
County
—
System ID
IA7707030
Violations
18
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.006 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
1
Health-Related
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2024 – September 30, 2024Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 ALTOONA WATER SUPPLY
Is ALTOONA WATER SUPPLY water safe to drink?
ALTOONA WATER SUPPLY water receives a grade of C (59/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 18 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ALTOONA WATER SUPPLY detected?
66 contaminants were tested in ALTOONA WATER SUPPLY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ALTOONA WATER SUPPLY have any EPA violations?
Yes, ALTOONA WATER SUPPLY has 18 EPA violation(s) on record, with the most recent in 2024. Violation types include MCL, MR. 5 are health-based violations.
How many people does ALTOONA WATER SUPPLY serve?
ALTOONA WATER SUPPLY serves approximately 19,565 people, Iowa. The system provides water to 1 community: Altoona.
What type of water does ALTOONA WATER SUPPLY provide?
ALTOONA WATER SUPPLY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA7707030.
How does ALTOONA WATER SUPPLY compare to other utilities in Iowa?
ALTOONA WATER SUPPLY scores 59/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Iowa state page for a full comparison of water systems.