B67/100
SIRWA #2 (CRESTON) — Water Quality Report 2026
Serving 20,793 people · Iowa
Water Source
Surface Water
County
—
System ID
IA8080701
Violations
11
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 214.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2015.
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 SIRWA #2 (CRESTON)
Is SIRWA #2 (CRESTON) water safe to drink?
SIRWA #2 (CRESTON) water receives a grade of B (67/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SIRWA #2 (CRESTON) detected?
69 contaminants were tested in SIRWA #2 (CRESTON)'s water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does SIRWA #2 (CRESTON) have any EPA violations?
Yes, SIRWA #2 (CRESTON) has 11 EPA violation(s) on record, with the most recent in 2015. Violation types include MCL, MR. 4 are health-based violations.
How many people does SIRWA #2 (CRESTON) serve?
SIRWA #2 (CRESTON) serves approximately 20,793 people, Iowa. The system provides water to 1 community: Creston.
What type of water does SIRWA #2 (CRESTON) provide?
SIRWA #2 (CRESTON) 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 IA8080701.
How does SIRWA #2 (CRESTON) compare to other utilities in Iowa?
SIRWA #2 (CRESTON) scores 67/100 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.