ERP ENVIRONMENTAL FUND INC
NPDES ID: IL0064068
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 14 effluent violations.
Violations
May 31, 2026
Manganese, total [as Mn]
94% over limit
Discharged 15.9 mg/L against a permitted limit of 8.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
129% over limit
Discharged 8 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
354% over limit
Discharged 15.9 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 2.53 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
14% over limit
Discharged 8 mg/L against a permitted limit of 7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Manganese, total [as Mn]
77% over limit
Discharged 14.5 mg/L against a permitted limit of 8.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
314% over limit
Discharged 14.5 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
71% over limit
Discharged 12 mg/L against a permitted limit of 7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 3.91 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
243% over limit
Discharged 12 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
July 31, 2025
pH
0% over limit
Discharged 3.14 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
271% over limit
Discharged 13 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
104% over limit
Discharged 14.3 mg/L against a permitted limit of 7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
51% over limit
Discharged 12.4 mg/L against a permitted limit of 8.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
246% over limit
Discharged 12.1 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Manganese, total [as Mn]
123% over limit
Discharged 7.8 mg/L against a permitted limit of 3.5 mg/L (QRTR AVG)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
38% over limit
Discharged 11.3 mg/L against a permitted limit of 8.2 mg/L (QRTR MAX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 3.06 SU against a permitted limit of 6 SU (QRTR MIN)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
151% over limit
Discharged 17.6 mg/L against a permitted limit of 7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
369% over limit
Discharged 16.4 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
40% over limit
Discharged 11.5 mg/L against a permitted limit of 8.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
206% over limit
Discharged 10.7 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 3.22 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
May 31, 2025
Manganese, total [as Mn]
170% over limit
Discharged 9.45 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 3.28 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
320% over limit
Discharged 14.7 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
15% over limit
Discharged 9.45 mg/L against a permitted limit of 8.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
110% over limit
Discharged 14.7 mg/L against a permitted limit of 7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Iron, total [as Fe]
183% over limit
Discharged 9.9 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 3.27 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
163% over limit
Discharged 9.2 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
72% over limit
Discharged 14.1 mg/L against a permitted limit of 8.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
154% over limit
Discharged 17.8 mg/L against a permitted limit of 7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Iron, total [as Fe]
414% over limit
Discharged 18 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
59% over limit
Discharged 13 mg/L against a permitted limit of 8.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 3.15 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 3.09 SU against a permitted limit of 6 SU (QRTR MIN)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
189% over limit
Discharged 20.2 mg/L against a permitted limit of 7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
203% over limit
Discharged 10.6 mg/L against a permitted limit of 3.5 mg/L (QRTR AVG)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
30% over limit
Discharged 10.7 mg/L against a permitted limit of 8.2 mg/L (QRTR MAX)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
260% over limit
Discharged 12.6 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Manganese, total [as Mn]
81% over limit
Discharged 14.81 mg/L against a permitted limit of 8.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
230% over limit
Discharged 23.11 mg/L against a permitted limit of 7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
323% over limit
Discharged 14.81 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 2.91 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
560% over limit
Discharged 23.11 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Iron, total [as Fe]
49% over limit
Discharged 10.4 mg/L against a permitted limit of 7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
351% over limit
Discharged 15.8 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
189% over limit
Discharged 10.1 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 3.87 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
94% over limit
Discharged 15.9 mg/L against a permitted limit of 8.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Manganese, total [as Mn]
411% over limit
Discharged 17.9 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
135% over limit
Discharged 19.3 mg/L against a permitted limit of 8.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
117% over limit
Discharged 7.6 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
16% over limit
Discharged 8.1 mg/L against a permitted limit of 7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 3.41 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
September 30, 2024
pH
0% over limit
Discharged 2.96 SU against a permitted limit of 6 SU (QRTR MIN)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
85% over limit
Discharged 15.2 mg/L against a permitted limit of 8.2 mg/L (QRTR MAX)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
334% over limit
Discharged 15.2 mg/L against a permitted limit of 3.5 mg/L (QRTR AVG)
DMR, Limited - Numeric Violation
July 31, 2024
Iron, total [as Fe]
246% over limit
Discharged 12.1 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 3.04 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
94% over limit
Discharged 15.9 mg/L against a permitted limit of 8.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Manganese, total [as Mn]
354% over limit
Discharged 15.9 mg/L against a permitted limit of 3.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
73% over limit
Discharged 12.1 mg/L against a permitted limit of 7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)