B67/100
GARRISON LAKE PUMP DISTRICT — Water Quality Report 2026
Serving 13,467 people · Delaware
Water Source
Groundwater
County
—
System ID
DE0000004
Violations
6
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.40 mg/L | 1.30 mg/L | Over Limit |
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 2002.
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 GARRISON LAKE PUMP DISTRICT
Is GARRISON LAKE PUMP DISTRICT water safe to drink?
GARRISON LAKE PUMP DISTRICT water receives a grade of B (67/100), which is considered good. Out of 32 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has GARRISON LAKE PUMP DISTRICT detected?
32 contaminants were tested in GARRISON LAKE PUMP DISTRICT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does GARRISON LAKE PUMP DISTRICT have any EPA violations?
Yes, GARRISON LAKE PUMP DISTRICT has 6 EPA violation(s) on record, with the most recent in 2002. Violation types include Other, MR, MCL. 4 are health-based violations.
How many people does GARRISON LAKE PUMP DISTRICT serve?
GARRISON LAKE PUMP DISTRICT serves approximately 13,467 people, Delaware. The system provides water to 1 community: Smyrna.
What type of water does GARRISON LAKE PUMP DISTRICT provide?
GARRISON LAKE PUMP DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is DE0000004.
How does GARRISON LAKE PUMP DISTRICT compare to other utilities in Delaware?
GARRISON LAKE PUMP DISTRICT scores 67/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Delaware state page for a full comparison of water systems.