ESTELLINE, CITY OF
NPDES ID: SD0022144
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: 3 effluent violations.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
92% over limit
Discharged 1.92 mg/L against a permitted limit of 1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, ammonia total [as N]
69% over limit
Discharged 5.4 mg/L against a permitted limit of 3.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
468% over limit
Discharged 5.68 mg/L against a permitted limit of 1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, ammonia total [as N]
52% over limit
Discharged 9.6 mg/L against a permitted limit of 6.3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
181% over limit
Discharged 9.28 mg/L against a permitted limit of 3.3 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, ammonia total [as N]
453% over limit
Discharged 5.53 mg/L against a permitted limit of 1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
94% over limit
Discharged 6.22 mg/L against a permitted limit of 3.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
53% over limit
Discharged 1.53 mg/L against a permitted limit of 1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
August 31, 2025
E. coli, colony forming units [CFU]
59% over limit
Discharged 1001 MPN/100mL against a permitted limit of 630 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
121% over limit
Discharged 2600 MPN/100mL against a permitted limit of 1178 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
E. coli, colony forming units [CFU]
20% over limit
Discharged 1410 MPN/100mL against a permitted limit of 1178 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, ammonia total [as N]
162% over limit
Discharged 16.5 mg/L against a permitted limit of 6.3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
217% over limit
Discharged 10.47 mg/L against a permitted limit of 3.3 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
January 31, 2025
BOD, 5-day, 20 deg. C
48% over limit
Discharged 44.3 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
263% over limit
Discharged 22.9 mg/L against a permitted limit of 6.3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
369% over limit
Discharged 15.49 mg/L against a permitted limit of 3.3 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
38% over limit
Discharged 62 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)