SCHAMERHORN, INC.- SCHAMERHORN C&D LANDFILL
NPDES ID: LAG780042
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
February 28, 2026
Solids, total suspended
48% over limit
Discharged 40 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
77% over limit
Discharged 8.69 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
221% over limit
Discharged 118.65 mg/L against a permitted limit of 37 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total suspended
119% over limit
Discharged 59 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
104% over limit
Discharged 10 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, total suspended
93% over limit
Discharged 52 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, total suspended
81% over limit
Discharged 49 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total suspended
52% over limit
Discharged 41 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
BOD, 5-day, 20 deg. C
0% over limit
Discharged 9.6 mg/L against a permitted limit of 140 mg/L (DAILY MX)
DMR, Limited - Overdue
p-Cresol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.014 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 2.03 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
Benzoic acids, total
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.12 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Phenol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.026 mg/L (DAILY MX)
DMR, Limited - Overdue
Phenol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.015 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 18 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 9.6 mg/L against a permitted limit of 37 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.02 mg/L against a permitted limit of 0.11 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0432 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 2.03 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.02 mg/L against a permitted limit of 0.2 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0648 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Benzoic acids, total
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.071 mg/L (MO AVG)
DMR, Limited - Overdue
.alpha.-Terpineol
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.033 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 18 mg/L against a permitted limit of 88 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
p-Cresol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.025 mg/L (DAILY MX)
DMR, Limited - Overdue
.alpha.-Terpineol
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.016 mg/L (MO AVG)
DMR, Limited - Overdue
February 28, 2025
BOD, 5-day, 20 deg. C
0% over limit
Discharged 18.8 mg/L against a permitted limit of 37 mg/L (MO AVG)
DMR, Limited - Overdue
Phenol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.026 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0749 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.45 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Overdue
p-Cresol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.014 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 11 mg/L against a permitted limit of 88 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 11 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.1124 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.45 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.02 mg/L against a permitted limit of 0.2 mg/L (DAILY MX)
DMR, Limited - Overdue
Benzoic acids, total
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.071 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.02 mg/L against a permitted limit of 0.11 mg/L (MO AVG)
DMR, Limited - Overdue
Benzoic acids, total
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.12 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 18.8 mg/L against a permitted limit of 140 mg/L (DAILY MX)
DMR, Limited - Overdue
p-Cresol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.025 mg/L (DAILY MX)
DMR, Limited - Overdue
.alpha.-Terpineol
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.016 mg/L (MO AVG)
DMR, Limited - Overdue
Phenol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.015 mg/L (MO AVG)
DMR, Limited - Overdue
.alpha.-Terpineol
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.033 mg/L (DAILY MX)
DMR, Limited - Overdue
January 31, 2025
Zinc, total [as Zn]
0% over limit
Discharged 0.02 mg/L against a permitted limit of 0.11 mg/L (MO AVG)
DMR, Limited - Overdue
Phenol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.026 mg/L (DAILY MX)
DMR, Limited - Overdue
p-Cresol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.025 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 20.3 mg/L against a permitted limit of 140 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0792 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
.alpha.-Terpineol
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.016 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.02 mg/L against a permitted limit of 0.2 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
.alpha.-Terpineol
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.033 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.07 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 20.3 mg/L against a permitted limit of 37 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 5 mg/L against a permitted limit of 88 mg/L (DAILY MX)
DMR, Limited - Overdue
Benzoic acids, total
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.12 mg/L (DAILY MX)
DMR, Limited - Overdue
Phenol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.015 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.1188 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
p-Cresol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.014 mg/L (MO AVG)
DMR, Limited - Overdue
Benzoic acids, total
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.071 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 5 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.07 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
December 31, 2024
BOD, 5-day, 20 deg. C
0% over limit
Discharged 35.4 mg/L against a permitted limit of 37 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.93 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Overdue
Phenol
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.015 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.169 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.02 mg/L against a permitted limit of 0.11 mg/L (MO AVG)
DMR, Limited - Overdue
p-Cresol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.025 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.1128 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 30.6 mg/L against a permitted limit of 140 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.02 mg/L against a permitted limit of 0.2 mg/L (DAILY MX)
DMR, Limited - Overdue
.alpha.-Terpineol
6% over limit
Discharged 0.017 mg/L against a permitted limit of 0.016 mg/L (MO AVG)
DMR, Limited - Overdue
.alpha.-Terpineol
6% over limit
Discharged 0.017 mg/L against a permitted limit of 0.016 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 7 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 19.5 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 10 mg/L against a permitted limit of 88 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
Benzoic acids, total
0% over limit
Discharged 0.02 mg/L against a permitted limit of 0.071 mg/L (MO AVG)
DMR, Limited - Overdue
p-Cresol
0% over limit
Discharged 0.008 mg/L against a permitted limit of 0.014 mg/L (MO AVG)
DMR, Limited - Overdue
.alpha.-Terpineol
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.033 mg/L (DAILY MX)
DMR, Limited - Overdue
Benzoic acids, total
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.12 mg/L (DAILY MX)
DMR, Limited - Overdue
Phenol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.026 mg/L (DAILY MX)
DMR, Limited - Overdue
November 30, 2024
Solids, total suspended
0% over limit
Discharged 19.7 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 36.9 mg/L against a permitted limit of 140 mg/L (DAILY MX)
DMR, Limited - Overdue
p-Cresol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.025 mg/L (DAILY MX)
DMR, Limited - Overdue
p-Cresol
0% over limit
Discharged 0.008 mg/L against a permitted limit of 0.014 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.93 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.093 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.0109 mg/L against a permitted limit of 0.2 mg/L (DAILY MX)
DMR, Limited - Overdue
Benzoic acids, total
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.12 mg/L (DAILY MX)
DMR, Limited - Overdue
Phenol
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.015 mg/L (MO AVG)
DMR, Limited - Overdue
Benzoic acids, total
0% over limit
Discharged 0.02 mg/L against a permitted limit of 0.071 mg/L (MO AVG)
DMR, Limited - Overdue
Phenol
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.026 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 2.94 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
.alpha.-Terpineol
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.033 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 34.6 mg/L against a permitted limit of 37 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 15 mg/L against a permitted limit of 88 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.14 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.03 mg/L against a permitted limit of 0.11 mg/L (MO AVG)
DMR, Limited - Overdue
.alpha.-Terpineol
6% over limit
Discharged 0.017 mg/L against a permitted limit of 0.016 mg/L (MO AVG)
DMR, Limited - Overdue
.alpha.-Terpineol
6% over limit
Discharged 0.017 mg/L against a permitted limit of 0.016 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Benzoic acids, total
0% over limit
Discharged 0 mg/L against a permitted limit of 0.071 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 140 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]
0% over limit
Discharged 0 mg/L against a permitted limit of 4.9 mg/L (MO AVG)
DMR, Limited - Overdue
.alpha.-Terpineol
0% over limit
Discharged 0 mg/L against a permitted limit of 0.016 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.11 mg/L (MO AVG)
DMR, Limited - Overdue
p-Cresol
0% over limit
Discharged 0 mg/L against a permitted limit of 0.014 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 88 mg/L (DAILY MX)
DMR, Limited - Overdue
Phenol
0% over limit
Discharged 0 mg/L against a permitted limit of 0.015 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.2 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 27 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 37 mg/L (MO AVG)
DMR, Limited - Overdue
.alpha.-Terpineol
0% over limit
Discharged 0 mg/L against a permitted limit of 0.033 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Benzoic acids, total
0% over limit
Discharged 0 mg/L against a permitted limit of 0.12 mg/L (DAILY MX)
DMR, Limited - Overdue
p-Cresol
0% over limit
Discharged 0 mg/L against a permitted limit of 0.025 mg/L (DAILY MX)
DMR, Limited - Overdue
Phenol
0% over limit
Discharged 0 mg/L against a permitted limit of 0.026 mg/L (DAILY MX)
DMR, Limited - Overdue
July 31, 2024
.alpha.-Terpineol
6% over limit
Discharged 0.017 mg/L against a permitted limit of 0.016 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)