NINESTAR CONNECT - PHILADELPHIA WWTP
NPDES ID: IN0064807
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: 12 effluent violations, 4 single-event violations.
Violations
May 31, 2026
Solids, total suspended
186% over limit
Discharged 34.275 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
2003% over limit
Discharged 85.92857928 kg/d against a permitted limit of 4.08599997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
1317% over limit
Discharged 255 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
313% over limit
Discharged 11.24103991 kg/d against a permitted limit of 2.72399998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
3% over limit
Discharged 5.81 mg/L against a permitted limit of 6 mg/L (DLYAVMIN)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total suspended
228% over limit
Discharged 39.34 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
9631% over limit
Discharged 397.59049666 kg/d against a permitted limit of 4.08599997 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
2161% over limit
Discharged 407 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
48% over limit
Discharged 3.55 mg/L against a permitted limit of 2.4 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
1246% over limit
Discharged 36.65595969 kg/d against a permitted limit of 2.72399998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
104% over limit
Discharged 1.11229999 kg/d against a permitted limit of 0.5448 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
9% over limit
Discharged 19.7 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
December 31, 2025
Oxygen, dissolved [DO]
9% over limit
Discharged 5.44 mg/L against a permitted limit of 6 mg/L (DLYAVMIN)
DMR, Limited - Numeric Violation
Solids, total suspended
3% over limit
Discharged 18.5 mg/L against a permitted limit of 18 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
254% over limit
Discharged 1.28481999 kg/d against a permitted limit of 0.3632 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
12% over limit
Discharged 1.79 mg/L against a permitted limit of 1.6 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
August 31, 2025
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0.035866 kg/d against a permitted limit of 3.40499997 kg/d (MX WK AV)
DMR, Limited - Overdue
September 30, 2024
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0.00785511 kg/d against a permitted limit of 2.26999998 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.00054752 kg/d against a permitted limit of 0.2497 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0.0133358 kg/d against a permitted limit of 3.40499997 kg/d (MX WK AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0.01565982 kg/d against a permitted limit of 2.72399998 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0.02181924 kg/d against a permitted limit of 4.08599997 kg/d (MX WK AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.00083354 kg/d against a permitted limit of 0.3632 kg/d (MX WK AV)
DMR, Limited - Overdue
August 31, 2024
Solids, total suspended
0% over limit
Discharged 0.01875383 kg/d against a permitted limit of 4.08599997 kg/d (MX WK AV)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0.00560236 kg/d against a permitted limit of 2.26999998 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.00048306 kg/d against a permitted limit of 0.2497 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0.01496202 kg/d against a permitted limit of 2.72399998 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0.01219943 kg/d against a permitted limit of 3.40499997 kg/d (MX WK AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.00056841 kg/d against a permitted limit of 0.3632 kg/d (MX WK AV)
DMR, Limited - Overdue
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 17, 2026 (48 minutes ago)