F0/100
SAPULPA — Water Quality Report 2026
Serving 19,702 people · Oklahoma
Water Source
Surface Water
County
—
System ID
OK1020404
Violations
97
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 333.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.006 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
3
Health-Related
TIER 3Resolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024 – September 26, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – September 26, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
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
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 SAPULPA
Is SAPULPA water safe to drink?
SAPULPA water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 97 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SAPULPA detected?
69 contaminants were tested in SAPULPA's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does SAPULPA have any EPA violations?
Yes, SAPULPA has 97 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, MCL. 71 are health-based violations.
How many people does SAPULPA serve?
SAPULPA serves approximately 19,702 people, Oklahoma.
What type of water does SAPULPA provide?
SAPULPA 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 OK1020404.
How does SAPULPA compare to other utilities in Oklahoma?
SAPULPA 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.