F0/100

MAYO CORRECTIONAL INSTITUTION — Water Quality Report 2026

Serving 1,400 people · Florida

Water Source

Groundwater

County

—

System ID

FL2341182

Violations

113

Contaminant Test Results

2 contaminants above EPA health goals

Contaminant	Detected	Limit (MCL)	Goal (MCLG)	Status
Copper (90th percentile)	1.81 mg/L	1.30 mg/L	1.30 mg/L	Over Limit
Lead (90th percentile)	0.002 mg/L	0.015 mg/L	0 mg/L	Above Goal

EPA Violation History

Violations (last 5yr)

Unresolved

Health-Related

TIER 3Resolved

Violation related to E. coli (RTCR)

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: May 1, 2025 – May 31, 2025Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: May 1, 2025 – May 31, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway

TIER 3Unresolved

Surface water treatment technique failure

When: July 1, 2024Verify on EPA.gov

TIER 3Resolved

Violation related to E. coli (RTCR)

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: February 1, 2024 – February 29, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: February 1, 2024 – February 29, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2024 – August 27, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2024 – August 27, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

TIER 3Unresolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2022 – July 31, 2022Rule: Stage 2 DBPRVerify on EPA.gov

TIER 3Unresolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2022 – July 31, 2022Rule: Stage 2 DBPRVerify on EPA.gov

TIER 3Resolved

Violation related to E. coli (RTCR)

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: June 1, 2022 – June 30, 2022Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: June 1, 2022 – June 30, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway

TIER 3Unresolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2022Rule: Stage 2 DBPRVerify on EPA.gov

TIER 3Resolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2021 – September 30, 2021Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2021 – October 4, 2021Enforcement: Resolving — corrective action underway

TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2021 – September 30, 2021Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

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 MAYO CORRECTIONAL INSTITUTION

Is MAYO CORRECTIONAL INSTITUTION water safe to drink?

MAYO CORRECTIONAL INSTITUTION water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 113 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has MAYO CORRECTIONAL INSTITUTION detected?

9 contaminants were tested in MAYO CORRECTIONAL INSTITUTION's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).

Does MAYO CORRECTIONAL INSTITUTION have any EPA violations?

Yes, MAYO CORRECTIONAL INSTITUTION has 113 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, MON, Other. 36 are health-based violations.

How many people does MAYO CORRECTIONAL INSTITUTION serve?

MAYO CORRECTIONAL INSTITUTION serves approximately 1,400 people, Florida. The system provides water to 1 community: Mayo.

What type of water does MAYO CORRECTIONAL INSTITUTION provide?

MAYO CORRECTIONAL INSTITUTION sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is FL2341182.

How does MAYO CORRECTIONAL INSTITUTION compare to other utilities in Florida?

MAYO CORRECTIONAL INSTITUTION scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Florida state page for a full comparison of water systems.

Cities Served

Mayo