F0/100
JEFFERSON CO CONS RWD #1 — Water Quality Report 2026
Serving 8,398 people · Oklahoma
Water Source
Purchased Surface Water
County
—
System ID
OK3003401
Violations
282
Contaminant Test Results
EPA Violation History
7
Violations (last 5yr)
0
Unresolved
7
Health-Related
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2022 – September 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2022 – March 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2021 – September 30, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issued
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 JEFFERSON CO CONS RWD #1
Is JEFFERSON CO CONS RWD #1 water safe to drink?
JEFFERSON CO CONS RWD #1 water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 282 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has JEFFERSON CO CONS RWD #1 detected?
31 contaminants were tested in JEFFERSON CO CONS RWD #1's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does JEFFERSON CO CONS RWD #1 have any EPA violations?
Yes, JEFFERSON CO CONS RWD #1 has 282 EPA violation(s) on record, with the most recent in 2023. Violation types include MCL, MR, Other. 63 are health-based violations.
How many people does JEFFERSON CO CONS RWD #1 serve?
JEFFERSON CO CONS RWD #1 serves approximately 8,398 people, Oklahoma.
What type of water does JEFFERSON CO CONS RWD #1 provide?
JEFFERSON CO CONS RWD #1 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 OK3003401.
How does JEFFERSON CO CONS RWD #1 compare to other utilities in Oklahoma?
JEFFERSON CO CONS RWD #1 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.