QUARTZ MOUNTAIN WATER TREATMENT PLANT
NPDES ID: OK0044202
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 6 effluent violations, 3 reporting violations.
Violations
June 30, 2026
Selenium, total [as Se]
23% over limit
Discharged 0.00691 mg/L against a permitted limit of 0.00563 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2026
Selenium, total [as Se]
17% over limit
Discharged 0.00657 mg/L against a permitted limit of 0.00563 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Selenium, total [as Se]
700% over limit
Discharged 0.03632 kg/d against a permitted limit of 0.00454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Sulfate, total [as SO4]
0% over limit
Discharged 263 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 130 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Selenium, total [as Se]
47% over limit
Discharged 0.00825 mg/L against a permitted limit of 0.00563 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Selenium, total [as Se]
890% over limit
Discharged 0.044946 kg/d against a permitted limit of 0.00454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Selenium, total [as Se]
0% over limit
Discharged 0.00825 mg/L against a permitted limit of 0.00821 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved- 180 deg. C
0% over limit
Discharged 1384 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
February 28, 2026
Selenium, total [as Se]
10% over limit
Discharged 0.00617 mg/L against a permitted limit of 0.00563 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Selenium, total [as Se]
315% over limit
Discharged 0.0341 mg/L against a permitted limit of 0.00821 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Selenium, total [as Se]
506% over limit
Discharged 0.0341 mg/L against a permitted limit of 0.00563 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Selenium, total [as Se]
140% over limit
Discharged 0.010896 kg/d against a permitted limit of 0.00454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Selenium, total [as Se]
10% over limit
Discharged 0.004994 kg/d against a permitted limit of 0.00454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Selenium, total [as Se]
159% over limit
Discharged 0.0213 mg/L against a permitted limit of 0.00821 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
123% over limit
Discharged 0.19700001 mg/L against a permitted limit of 0.0883 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
32% over limit
Discharged 0.19700001 mg/L against a permitted limit of 0.14980001 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Selenium, total [as Se]
278% over limit
Discharged 0.0213 mg/L against a permitted limit of 0.00563 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Selenium, total [as Se]
120% over limit
Discharged 0.0181 mg/L against a permitted limit of 0.00821 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Selenium, total [as Se]
221% over limit
Discharged 0.0181 mg/L against a permitted limit of 0.00563 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Selenium, total [as Se]
15% over limit
Discharged 0.00647 mg/L against a permitted limit of 0.00563 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Selenium, total [as Se]
12% over limit
Discharged 0.00632 mg/L against a permitted limit of 0.00563 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Selenium, total [as Se]
26% over limit
Discharged 0.0071 mg/L against a permitted limit of 0.00563 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Selenium, total [as Se]
32% over limit
Discharged 0.00744 mg/L against a permitted limit of 0.00563 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Selenium, total [as Se]
29% over limit
Discharged 0.00729 mg/L against a permitted limit of 0.00563 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Selenium, total [as Se]
27% over limit
Discharged 0.00714 mg/L against a permitted limit of 0.00563 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Selenium, total [as Se]
20% over limit
Discharged 0.00673 mg/L against a permitted limit of 0.00563 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Selenium, total [as Se]
10% over limit
Discharged 0.00618 mg/L against a permitted limit of 0.00563 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (3 hours ago)