ARKANSAS DEPT OF CORRECTION-NCU-IZARD COUNTY FACILITY
NPDES ID: AR0044016
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 3 effluent violations.
Violations
May 31, 2026
BOD, carbonaceous [5 day, 20 C]
20% over limit
Discharged 12 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrite + Nitrate total [as N]
21% over limit
Discharged 4.10869997 kg/d against a permitted limit of 3.40499997 kg/d (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrite + Nitrate total [as N]
70% over limit
Discharged 17 mg/L against a permitted limit of 10 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrite + Nitrate total [as N]
2% over limit
Discharged 10.2 mg/L against a permitted limit of 10 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrite + Nitrate total [as N]
22% over limit
Discharged 12.2 mg/L against a permitted limit of 10 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
November 30, 2025
BOD, carbonaceous [5 day, 20 C]
11% over limit
Discharged 3.76819997 kg/d against a permitted limit of 3.405 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrite + Nitrate total [as N]
18% over limit
Discharged 11.8 mg/L against a permitted limit of 10 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
4% over limit
Discharged 15.6 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
56% over limit
Discharged 15.6 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Oil & Grease
11% over limit
Discharged 5.68407995 kg/d against a permitted limit of 5.13019996 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
67% over limit
Discharged 5.68407995 kg/d against a permitted limit of 3.40499997 kg/d (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrite + Nitrate total [as N]
28% over limit
Discharged 12.8 mg/L against a permitted limit of 10 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrite + Nitrate total [as N]
12% over limit
Discharged 11.2 mg/L against a permitted limit of 10 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
360% over limit
Discharged 920 MPN/100mL against a permitted limit of 200 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrite + Nitrate total [as N]
47% over limit
Discharged 4.99399996 kg/d against a permitted limit of 3.40499997 kg/d (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
360% over limit
Discharged 920 MPN/100mL against a permitted limit of 200 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrite + Nitrate total [as N]
6% over limit
Discharged 10.6 mg/L against a permitted limit of 10 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrite + Nitrate total [as N]
47% over limit
Discharged 14.7 mg/L against a permitted limit of 10 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
79% over limit
Discharged 13.4 mg/L against a permitted limit of 7.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
46% over limit
Discharged 3.72279997 kg/d against a permitted limit of 2.54239998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
40% over limit
Discharged 7 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
13% over limit
Discharged 1.95219998 kg/d against a permitted limit of 1.72519999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrite + Nitrate total [as N]
29% over limit
Discharged 4.37655996 kg/d against a permitted limit of 3.40499997 kg/d (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
50% over limit
Discharged 300 MPN/100mL against a permitted limit of 200 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
December 31, 2024
Oil & Grease
0% over limit
Discharged 4.95 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.18 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 200 MPN/100mL (30DA GEO)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.5 mg/L against a permitted limit of 22.5 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.14074 kg/d against a permitted limit of 2.54239998 kg/d (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0.72639999 kg/d against a permitted limit of 7.67259994 kg/d (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.05 mg/L against a permitted limit of 7.5 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.08 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Nitrite + Nitrate total [as N]
4% over limit
Discharged 10.43 mg/L against a permitted limit of 10 mg/L (MAXIMUM)
DMR, Limited - Overdue
Nitrite + Nitrate total [as N]
4% over limit
Discharged 10.43 mg/L against a permitted limit of 10 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0.49486 kg/d against a permitted limit of 3.405 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.05 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 8.3 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.09 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 1.75 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrite + Nitrate total [as N]
0% over limit
Discharged 2.63319998 kg/d against a permitted limit of 3.40499997 kg/d (MAXIMUM)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 5 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 1.22579999 kg/d against a permitted limit of 3.40499997 kg/d (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 200 MPN/100mL (7 DA GEO)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 1.38469999 kg/d against a permitted limit of 5.13019996 kg/d (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.1362 kg/d against a permitted limit of 1.72519999 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0.45854 kg/d against a permitted limit of 5.13019996 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0.5675 kg/d against a permitted limit of 5.1302 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 2 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 2 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.58 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
November 30, 2024
Nitrite + Nitrate total [as N]
13% over limit
Discharged 3.85899997 kg/d against a permitted limit of 3.40499997 kg/d (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrite + Nitrate total [as N]
51% over limit
Discharged 15.1 mg/L against a permitted limit of 10 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrite + Nitrate total [as N]
29% over limit
Discharged 4.40379996 kg/d against a permitted limit of 3.40499997 kg/d (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrite + Nitrate total [as N]
10% over limit
Discharged 11 mg/L against a permitted limit of 10 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrite + Nitrate total [as N]
89% over limit
Discharged 18.9 mg/L against a permitted limit of 10 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrite + Nitrate total [as N]
76% over limit
Discharged 5.99279995 kg/d against a permitted limit of 3.40499997 kg/d (MAXIMUM)
DMR, Limited - Numeric Violation
July 31, 2024
Nitrite + Nitrate total [as N]
19% over limit
Discharged 4.04059997 kg/d against a permitted limit of 3.40499997 kg/d (MAXIMUM)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)