B70/100

CAIRO WATER DISTRICT — Water Quality Report 2026

Serving 1,400 people · New York

Water Source
Groundwater Under Influence of Surface Water
County
System ID
NY1900025
Violations
11

Contaminant Test Results

2 contaminants above EPA health goals
ContaminantDetectedLimit (MCL)Status
Copper (90th percentile)
1.56 mg/L1.30 mg/LOver Limit
Lead (90th percentile)
0.003 mg/L0.015 mg/LAbove Goal

EPA Violation History

7

Violations (last 5yr)

4

Unresolved

2

Health-Related

TIER 2Unresolved

Violation related to Coliform (pre-2016 TCR)

When: July 22, 2025Rule: Surface Water Treatment RuleVerify on EPA.gov
TIER 3Unresolved

Reporting violation

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

When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Treatment technique violation

When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

Surface water treatment technique failure

When: January 1, 2024Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Monitoring Violation

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

When: January 1, 2023 – January 31, 2023Rule: Total Coliform 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 3Resolved

Monitoring Violation

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

When: November 1, 2021 – November 30, 2021Rule: Total Coliform RuleEnforcement: 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 CAIRO WATER DISTRICT

Is CAIRO WATER DISTRICT water safe to drink?

CAIRO WATER DISTRICT water receives a grade of B (70/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.

What contaminants has CAIRO WATER DISTRICT detected?

2 contaminants were tested in CAIRO WATER 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 CAIRO WATER DISTRICT have any EPA violations?

Yes, CAIRO WATER DISTRICT has 11 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, RPT, Other. 2 are health-based violations.

How many people does CAIRO WATER DISTRICT serve?

CAIRO WATER DISTRICT serves approximately 1,400 people, New York. The system provides water to 1 community: Cairo (T).

What type of water does CAIRO WATER DISTRICT provide?

CAIRO WATER DISTRICT sources its water from groundwater under influence of surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is NY1900025.

How does CAIRO WATER DISTRICT compare to other utilities in New York?

CAIRO WATER DISTRICT scores 70/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our New York state page for a full comparison of water systems.

Cities Served