OAKDALE SCHOOL
NPDES ID: TN0023051
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: 4 effluent violations.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
210% over limit
Discharged 3.5 mg/L against a permitted limit of 1.13 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
525% over limit
Discharged 3.5 mg/L against a permitted limit of 0.56 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, ammonia total [as N]
63% over limit
Discharged 3.5 mg/L against a permitted limit of 2.15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
227% over limit
Discharged 3.5 mg/L against a permitted limit of 1.07 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
63% over limit
Discharged 3.5 mg/L against a permitted limit of 2.15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
227% over limit
Discharged 3.5 mg/L against a permitted limit of 1.07 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)