C41/100
PARKER — Water Quality Report 2026
Serving 1,025 people · South Dakota
Water Source
Purchased Groundwater
County
—
System ID
SD4600235
Violations
44
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
No violations in the past 5 years
Full EPA compliance since 2010.
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 PARKER
Is PARKER water safe to drink?
PARKER water receives a grade of C (41/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 44 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has PARKER detected?
1 contaminants were tested in PARKER's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does PARKER have any EPA violations?
Yes, PARKER has 44 EPA violation(s) on record, with the most recent in 2010. Violation types include TT, MR, Other. 3 are health-based violations.
How many people does PARKER serve?
PARKER serves approximately 1,025 people, South Dakota. The system provides water to 1 community: Parker.
What type of water does PARKER provide?
PARKER sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is SD4600235.
How does PARKER compare to other utilities in South Dakota?
PARKER scores 41/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our South Dakota state page for a full comparison of water systems.