HARWOOD LANDFILL,INC.
NPDES ID: MD0066087
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 4 effluent violations.
Violations
May 31, 2026
Iron, total [as Fe]
27% over limit
Discharged 2.54 mg/L against a permitted limit of 2 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
April 30, 2026
Iron, total [as Fe]
18% over limit
Discharged 2.35 mg/L against a permitted limit of 2 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
March 31, 2026
Iron, total [as Fe]
9% over limit
Discharged 2.17 mg/L against a permitted limit of 2 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
180% over limit
Discharged 0.0007 mg/L against a permitted limit of 0.00025 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
February 28, 2026
Iron, total [as Fe]
3% over limit
Discharged 2.06 mg/L against a permitted limit of 2 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
100% over limit
Discharged 0.0005 mg/L against a permitted limit of 0.00025 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
August 31, 2025
Iron, total [as Fe]
25% over limit
Discharged 2.5 mg/L against a permitted limit of 2 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
July 31, 2025
Cadmium, total [as Cd]
140% over limit
Discharged 0.0006 mg/L against a permitted limit of 0.00025 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
June 30, 2025
Iron, total [as Fe]
51% over limit
Discharged 3.01 mg/L against a permitted limit of 2 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
40% over limit
Discharged 42 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
0% over limit
Discharged 3.01 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Cadmium, total [as Cd]
20% over limit
Discharged 0.0003 mg/L against a permitted limit of 0.00025 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
13% over limit
Discharged 2.26 mg/L against a permitted limit of 2 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
April 30, 2025
Iron, total [as Fe]
7% over limit
Discharged 2.14 mg/L against a permitted limit of 2 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
60% over limit
Discharged 0.0004 mg/L against a permitted limit of 0.00025 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
March 31, 2025
Iron, total [as Fe]
3% over limit
Discharged 2.06 mg/L against a permitted limit of 2 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
140% over limit
Discharged 0.0006 mg/L against a permitted limit of 0.00025 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
February 28, 2025
Cadmium, total [as Cd]
300% over limit
Discharged 0.001 mg/L against a permitted limit of 0.00025 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
January 31, 2025
Iron, total [as Fe]
209% over limit
Discharged 6.18 mg/L against a permitted limit of 2 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
106% over limit
Discharged 6.18 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Iron, total [as Fe]
11% over limit
Discharged 2.21 mg/L against a permitted limit of 2 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
October 31, 2024
Iron, total [as Fe]
12% over limit
Discharged 2.23 mg/L against a permitted limit of 2 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
September 30, 2024
Iron, total [as Fe]
194% over limit
Discharged 5.88 mg/L against a permitted limit of 2 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
96% over limit
Discharged 5.88 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Iron, total [as Fe]
43% over limit
Discharged 2.86 mg/L against a permitted limit of 2 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)