A92/100
MISSOURI VALLEY WATER SUPPLY — Water Quality Report 2026
Serving 2,684 people · Iowa
Water Source
Groundwater
County
—
System ID
IA4344088
Violations
5
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2024 – August 19, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Failed to conduct Level 1 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 9, 2022Rule: Consumer Confidence RuleEnforcement: 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 MISSOURI VALLEY WATER SUPPLY
Is MISSOURI VALLEY WATER SUPPLY water safe to drink?
MISSOURI VALLEY WATER SUPPLY water receives a grade of A (92/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MISSOURI VALLEY WATER SUPPLY detected?
1 contaminants were tested in MISSOURI VALLEY WATER SUPPLY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MISSOURI VALLEY WATER SUPPLY have any EPA violations?
Yes, MISSOURI VALLEY WATER SUPPLY has 5 EPA violation(s) on record, with the most recent in 2024. Violation types include MR.
How many people does MISSOURI VALLEY WATER SUPPLY serve?
MISSOURI VALLEY WATER SUPPLY serves approximately 2,684 people, Iowa. The system provides water to 1 community: Missouri Valley.
What type of water does MISSOURI VALLEY WATER SUPPLY provide?
MISSOURI VALLEY WATER SUPPLY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA4344088.
How does MISSOURI VALLEY WATER SUPPLY compare to other utilities in Iowa?
MISSOURI VALLEY WATER SUPPLY scores 92/100 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.