A87/100
GRAND HARBOR WATER SYSTEM — Water Quality Report 2026
Serving 2,370 people · Texas
Water Source
Groundwater
County
—
System ID
TX1700643
Violations
10
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 2018.
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 GRAND HARBOR WATER SYSTEM
Is GRAND HARBOR WATER SYSTEM water safe to drink?
GRAND HARBOR WATER SYSTEM water receives a grade of A (87/100), which is considered excellent. 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 GRAND HARBOR WATER SYSTEM detected?
1 contaminants were tested in GRAND HARBOR WATER SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does GRAND HARBOR WATER SYSTEM have any EPA violations?
Yes, GRAND HARBOR WATER SYSTEM has 10 EPA violation(s) on record, with the most recent in 2018. Violation types include MR, Other.
How many people does GRAND HARBOR WATER SYSTEM serve?
GRAND HARBOR WATER SYSTEM serves approximately 2,370 people, Texas.
What type of water does GRAND HARBOR WATER SYSTEM provide?
GRAND HARBOR WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX1700643.
How does GRAND HARBOR WATER SYSTEM compare to other utilities in Texas?
GRAND HARBOR WATER SYSTEM scores 87/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Texas state page for a full comparison of water systems.