GRANITE ROLLING MEADOWS LLC
NPDES ID: SC0033685
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
March 31, 2026
BOD, 5-day, 20 deg. C
17% over limit
Discharged 9.53399992 kg/d against a permitted limit of 8.17199993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, 5-day, 20 deg. C
27% over limit
Discharged 38 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
67% over limit
Discharged 13.61999989 kg/d against a permitted limit of 8.17199993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Chlorine, total residual
47% over limit
Discharged 0.44 mg/L against a permitted limit of 0.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
170% over limit
Discharged 66.28399944 kg/d against a permitted limit of 24.51599979 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
542% over limit
Discharged 104.87399912 kg/d against a permitted limit of 16.34399986 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
1856% over limit
Discharged 1.59807999 kg/d against a permitted limit of 0.08172 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
42% over limit
Discharged 69.46199942 kg/d against a permitted limit of 49.03199959 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
1193% over limit
Discharged 1.76151999 kg/d against a permitted limit of 0.1362 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
1178% over limit
Discharged 104.41999912 kg/d against a permitted limit of 8.17199993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
E. coli
397% over limit
Discharged 1732.9 MPN/100mL against a permitted limit of 349 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
569% over limit
Discharged 843.5 MPN/100mL against a permitted limit of 126 MPN/100mL (30DAVGEO)
DMR, Limited - Numeric Violation
May 31, 2025
BOD, 5-day, 20 deg. C
63% over limit
Discharged 26.60439978 kg/d against a permitted limit of 16.34399986 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
125% over limit
Discharged 18.38699985 kg/d against a permitted limit of 8.17199993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
E. coli
593% over limit
Discharged 2419.6 MPN/100mL against a permitted limit of 349 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
E. coli
28% over limit
Discharged 448.4 MPN/100mL against a permitted limit of 349 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
23% over limit
Discharged 10.03339992 kg/d against a permitted limit of 8.17199993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
BOD, 5-day, 20 deg. C
42% over limit
Discharged 42.7 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
127% over limit
Discharged 18.56859984 kg/d against a permitted limit of 8.17199993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
14% over limit
Discharged 18.70479984 kg/d against a permitted limit of 16.34399986 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, 5-day, 20 deg. C
21% over limit
Discharged 9.89719992 kg/d against a permitted limit of 8.17199993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
10% over limit
Discharged 33 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)