F0/100
FREDERICK — Water Quality Report 2026
Serving 3,940 people · Oklahoma
Water Source
Surface Water
County
—
System ID
OK1011401
Violations
121
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
8
Violations (last 5yr)
8
Unresolved
7
Health-Related
TIER 2Unresolved
Treatment technique violation
When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify 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
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2024 – June 30, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Treatment Technique Violation
When: July 1, 2023 – September 30, 2023Rule: Stage 1 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Treatment Technique Violation
When: April 1, 2023 – June 30, 2023Rule: Stage 1 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Treatment Technique Violation
When: January 1, 2023 – March 31, 2023Rule: Stage 1 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
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 FREDERICK
Is FREDERICK water safe to drink?
FREDERICK water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 121 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has FREDERICK detected?
31 contaminants were tested in FREDERICK's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does FREDERICK have any EPA violations?
Yes, FREDERICK has 121 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, RPT, MCL. 102 are health-based violations.
How many people does FREDERICK serve?
FREDERICK serves approximately 3,940 people, Oklahoma.
What type of water does FREDERICK provide?
FREDERICK sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OK1011401.
How does FREDERICK compare to other utilities in Oklahoma?
FREDERICK scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Oklahoma state page for a full comparison of water systems.