STILWELL AREA DEVELOPMENT AUTH

NPDES ID: OK0030341

T — SNC: Compliance schedule reporting violation

The facility was more than 30 days late reporting progress on its compliance schedule.

This quarter: 3 single-event violations.

Violations

November 30, 2025

Hardness, total [as CaCO3]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (VALUE)

DMR, Monitor Only - Overdue

June 30, 2025

E. coli

171% over limit

Discharged 1100 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)