BTR HAMPSTEAD, LLC.
NPDES ID: MD0001881
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.
Violations
February 28, 2026
Nitrogen, ammonia total [as N]
63% over limit
Discharged 15.52679987 kg/d against a permitted limit of 9.53399992 kg/d (MX DA AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
395% over limit
Discharged 20.3 mg/L against a permitted limit of 4.1 mg/L (MX DA AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
47% over limit
Discharged 5.99279995 kg/d against a permitted limit of 4.08599997 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
333% over limit
Discharged 7.8 mg/L against a permitted limit of 1.8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
350% over limit
Discharged 8.1 mg/L against a permitted limit of 1.8 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
13% over limit
Discharged 10.75979991 kg/d against a permitted limit of 9.53399992 kg/d (MX DA AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (4 days ago)