EMERALD GREEN-LAKE LOUISE MARIE S&W DISTRICT
NPDES ID: NY0035645
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 NH3]
41% over limit
Discharged 3.1 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia, total [as NH3]
124% over limit
Discharged 4.93 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
39% over limit
Discharged 79.2 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
50% over limit
Discharged 15 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
47% over limit
Discharged 22.79079981 kg/d against a permitted limit of 15.52679987 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
24% over limit
Discharged 0.51 MGD against a permitted limit of 0.41 MGD (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia, total [as NH3]
50% over limit
Discharged 3.3 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia, total [as NH3]
68% over limit
Discharged 3.7 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
40% over limit
Discharged 14 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
27% over limit
Discharged 19.70359983 kg/d against a permitted limit of 15.52679987 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, ammonia, total [as NH3]
283% over limit
Discharged 8.43 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
361% over limit
Discharged 30.9 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
320% over limit
Discharged 2.1 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
140% over limit
Discharged 18.65939984 kg/d against a permitted limit of 7.76339993 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
326% over limit
Discharged 66.10239944 kg/d against a permitted limit of 15.52679987 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
1033% over limit
Discharged 113.3 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Carbonaceous oxygen demand, % removal
73% over limit
Discharged 74 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
540% over limit
Discharged 32 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Solids, total suspended
26% over limit
Discharged 12.6 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.1 mg/L (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
505% over limit
Discharged 2420 MPN/100mL against a permitted limit of 400 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
May 31, 2025
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
12% over limit
Discharged 0.459 MGD against a permitted limit of 0.41 MGD (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
505% over limit
Discharged 2420 MPN/100mL against a permitted limit of 400 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
6% over limit
Discharged 84.1 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
150% over limit
Discharged 25 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
63% over limit
Discharged 25.28779979 kg/d against a permitted limit of 15.52679987 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Overdue
March 31, 2025
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
640% over limit
Discharged 9.57939992 kg/d against a permitted limit of 1.29389999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
3% over limit
Discharged 15.98079987 kg/d against a permitted limit of 15.52679987 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
162% over limit
Discharged 26.2 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
40% over limit
Discharged 79 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
38% over limit
Discharged 6.9 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
637% over limit
Discharged 9.53399992 kg/d against a permitted limit of 1.29389999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
December 31, 2024
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
6% over limit
Discharged 5.3 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Overdue
October 31, 2024
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.1 mg/L (MO AVG)
DMR, Limited - Overdue
September 30, 2024
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.1 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia, total [as NH3]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
August 31, 2024
BOD, carbonaceous [5 day, 20 C]
8% over limit
Discharged 5.4 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
233% over limit
Discharged 0.1 mg/L against a permitted limit of 0.03 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, nitrate total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 7.09147994 kg/d (MO AVG)
DMR, Limited - Overdue
July 31, 2024
Chlorine, total residual
233% over limit
Discharged 0.1 mg/L against a permitted limit of 0.03 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
0% over limit
Discharged 0.1 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)