F0/100
COLONIAL PINE HILLS SANITARY DISTRIC — Water Quality Report 2026
Serving 1,200 people · South Dakota
Water Source
Groundwater
County
—
System ID
SD4600263
Violations
23
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 COLONIAL PINE HILLS SANITARY DISTRIC
Is COLONIAL PINE HILLS SANITARY DISTRIC water safe to drink?
COLONIAL PINE HILLS SANITARY DISTRIC water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 23 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has COLONIAL PINE HILLS SANITARY DISTRIC detected?
1 contaminants were tested in COLONIAL PINE HILLS SANITARY DISTRIC's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does COLONIAL PINE HILLS SANITARY DISTRIC have any EPA violations?
Yes, COLONIAL PINE HILLS SANITARY DISTRIC has 23 EPA violation(s) on record, with the most recent in 2010. Violation types include MCL, MR. 19 are health-based violations.
How many people does COLONIAL PINE HILLS SANITARY DISTRIC serve?
COLONIAL PINE HILLS SANITARY DISTRIC serves approximately 1,200 people, South Dakota. The system provides water to 1 community: Rapid City.
What type of water does COLONIAL PINE HILLS SANITARY DISTRIC provide?
COLONIAL PINE HILLS SANITARY DISTRIC sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is SD4600263.
How does COLONIAL PINE HILLS SANITARY DISTRIC compare to other utilities in South Dakota?
COLONIAL PINE HILLS SANITARY DISTRIC scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our South Dakota state page for a full comparison of water systems.