B77/100
SPIRIT LAKE WATERWORKS — Water Quality Report 2026
Serving 6,167 people · Iowa
Water Source
Surface Water
County
—
System ID
IA3070078
Violations
4
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
1
Health-Related
TIER 2Resolved
Failed treatment technique requirements
When: October 1, 2022 – October 31, 2022Rule: Surface Water Treatment 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 SPIRIT LAKE WATERWORKS
Is SPIRIT LAKE WATERWORKS water safe to drink?
SPIRIT LAKE WATERWORKS water receives a grade of B (77/100), which is considered good. Out of 51 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SPIRIT LAKE WATERWORKS detected?
51 contaminants were tested in SPIRIT LAKE WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does SPIRIT LAKE WATERWORKS have any EPA violations?
Yes, SPIRIT LAKE WATERWORKS has 4 EPA violation(s) on record, with the most recent in 2022. Violation types include TT, MCL. 4 are health-based violations.
How many people does SPIRIT LAKE WATERWORKS serve?
SPIRIT LAKE WATERWORKS serves approximately 6,167 people, Iowa. The system provides water to 1 community: Spirit Lake.
What type of water does SPIRIT LAKE WATERWORKS provide?
SPIRIT LAKE WATERWORKS 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 IA3070078.
How does SPIRIT LAKE WATERWORKS compare to other utilities in Iowa?
SPIRIT LAKE WATERWORKS scores 77/100 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.