B64/100
SOUTHWEST REG WATER DISTRICT (RED OAK) — Water Quality Report 2026
Serving 3,500 people · Iowa
Water Source
Groundwater
County
—
System ID
IA6950701
Violations
9
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 SOUTHWEST REG WATER DISTRICT (RED OAK)
Is SOUTHWEST REG WATER DISTRICT (RED OAK) water safe to drink?
SOUTHWEST REG WATER DISTRICT (RED OAK) water receives a grade of B (64/100), which is considered good. 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 SOUTHWEST REG WATER DISTRICT (RED OAK) detected?
1 contaminants were tested in SOUTHWEST REG WATER DISTRICT (RED OAK)'s water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does SOUTHWEST REG WATER DISTRICT (RED OAK) have any EPA violations?
Yes, SOUTHWEST REG WATER DISTRICT (RED OAK) has 9 EPA violation(s) on record, with the most recent in 2019. Violation types include MON, MCL, MR. 6 are health-based violations.
How many people does SOUTHWEST REG WATER DISTRICT (RED OAK) serve?
SOUTHWEST REG WATER DISTRICT (RED OAK) serves approximately 3,500 people, Iowa. The system provides water to 1 community: Red Oak.
What type of water does SOUTHWEST REG WATER DISTRICT (RED OAK) provide?
SOUTHWEST REG WATER DISTRICT (RED OAK) sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA6950701.
How does SOUTHWEST REG WATER DISTRICT (RED OAK) compare to other utilities in Iowa?
SOUTHWEST REG WATER DISTRICT (RED OAK) scores 64/100 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.