NATIONAL INSTITUTES OF HEALTH
NPDES ID: MD0025496
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: 2 effluent violations.
Violations
June 30, 2026
Copper, total [as Cu]
165% over limit
Discharged 0.069 mg/L against a permitted limit of 0.026 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
252% over limit
Discharged 0.057 mg/L against a permitted limit of 0.0162 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Copper, total [as Cu]
142% over limit
Discharged 0.063 mg/L against a permitted limit of 0.026 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
172% over limit
Discharged 0.044 mg/L against a permitted limit of 0.0162 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Copper, total [as Cu]
123% over limit
Discharged 0.058 mg/L against a permitted limit of 0.026 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
159% over limit
Discharged 0.042 mg/L against a permitted limit of 0.0162 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)