HAMPTON ELEMENTARY SCHOOL
NPDES ID: TN0023698
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: 1 effluent violation.
Violations
April 30, 2026
Nitrogen, ammonia total [as N]
144% over limit
Discharged 12.2 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
182% over limit
Discharged 14.1 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
152% over limit
Discharged 12.6 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 487 MPN/100mL (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
212% over limit
Discharged 15.6 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, ammonia total [as N]
44% over limit
Discharged 7.2 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Nitrogen, ammonia total [as N]
134% over limit
Discharged 11.7 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrogen, ammonia total [as N]
397% over limit
Discharged 49.7 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
808% over limit
Discharged 45.4 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)