B78/100

MAMMOTH CAVE/CENTRAL SYSTEM — Water Quality Report 2026

Serving 5,000 people · Kentucky

Water Source
Purchased Surface Water
County
System ID
KY0310940
Violations
15

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.011 mg/L0.015 mg/LAbove Goal

EPA Violation History

No violations in the past 5 years

Full EPA compliance since 2017.

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 MAMMOTH CAVE/CENTRAL SYSTEM

Is MAMMOTH CAVE/CENTRAL SYSTEM water safe to drink?

MAMMOTH CAVE/CENTRAL SYSTEM water receives a grade of B (78/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.

What contaminants has MAMMOTH CAVE/CENTRAL SYSTEM detected?

31 contaminants were tested in MAMMOTH CAVE/CENTRAL SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does MAMMOTH CAVE/CENTRAL SYSTEM have any EPA violations?

Yes, MAMMOTH CAVE/CENTRAL SYSTEM has 15 EPA violation(s) on record, with the most recent in 2017. Violation types include MR, Other, MCL. 1 are health-based violations.

How many people does MAMMOTH CAVE/CENTRAL SYSTEM serve?

MAMMOTH CAVE/CENTRAL SYSTEM serves approximately 5,000 people, Kentucky.

What type of water does MAMMOTH CAVE/CENTRAL SYSTEM provide?

MAMMOTH CAVE/CENTRAL SYSTEM sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is KY0310940.

How does MAMMOTH CAVE/CENTRAL SYSTEM compare to other utilities in Kentucky?

MAMMOTH CAVE/CENTRAL SYSTEM scores 78/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Kentucky state page for a full comparison of water systems.