B65/100
SIDNEY WATER SUPPLY — Water Quality Report 2026
Serving 1,077 people · Iowa
Water Source
Surface Water
County
—
System ID
IA3661048
Violations
20
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.68 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.008 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 21, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2023Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 1, 2021 – December 31, 2021Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
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 SIDNEY WATER SUPPLY
Is SIDNEY WATER SUPPLY water safe to drink?
SIDNEY WATER SUPPLY water receives a grade of B (65/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SIDNEY WATER SUPPLY detected?
2 contaminants were tested in SIDNEY WATER SUPPLY's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does SIDNEY WATER SUPPLY have any EPA violations?
Yes, SIDNEY WATER SUPPLY has 20 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MON, MCL. 1 are health-based violations.
How many people does SIDNEY WATER SUPPLY serve?
SIDNEY WATER SUPPLY serves approximately 1,077 people, Iowa. The system provides water to 1 community: Sidney.
What type of water does SIDNEY WATER SUPPLY provide?
SIDNEY WATER SUPPLY sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IA3661048.
How does SIDNEY WATER SUPPLY compare to other utilities in Iowa?
SIDNEY WATER SUPPLY scores 65/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Iowa state page for a full comparison of water systems.