FREEMASON WTP
NPDES ID: NC0007552
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: 1 effluent violation.
Violations
April 30, 2026
Chlorine, total residual
200% over limit
Discharged 0.051 mg/L against a permitted limit of 0.017 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Chloride [as Cl]
87% over limit
Discharged 429 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
87% over limit
Discharged 429 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
235% over limit
Discharged 0.057 mg/L against a permitted limit of 0.017 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Chloride [as Cl]
118% over limit
Discharged 502 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
118% over limit
Discharged 502 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Chloride [as Cl]
63% over limit
Discharged 375 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
353% over limit
Discharged 0.077 mg/L against a permitted limit of 0.017 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
63% over limit
Discharged 375 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Chloride [as Cl]
293% over limit
Discharged 905 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
293% over limit
Discharged 905 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Chloride [as Cl]
165% over limit
Discharged 610 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
165% over limit
Discharged 610 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Chloride [as Cl]
165% over limit
Discharged 610 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
165% over limit
Discharged 610 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Chloride [as Cl]
234% over limit
Discharged 768 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
234% over limit
Discharged 768 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Chloride [as Cl]
152% over limit
Discharged 579 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
152% over limit
Discharged 579 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Chloride [as Cl]
35% over limit
Discharged 310 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
35% over limit
Discharged 310 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Chloride [as Cl]
74% over limit
Discharged 400 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
74% over limit
Discharged 400 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Chloride [as Cl]
63% over limit
Discharged 376 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
63% over limit
Discharged 376 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Chloride [as Cl]
28% over limit
Discharged 295 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
28% over limit
Discharged 295 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Chloride [as Cl]
230% over limit
Discharged 758 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
230% over limit
Discharged 758 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Chloride [as Cl]
57% over limit
Discharged 360 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
57% over limit
Discharged 360 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
Chloride [as Cl]
57% over limit
Discharged 360 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
57% over limit
Discharged 360 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Chloride [as Cl]
109% over limit
Discharged 480 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
109% over limit
Discharged 480 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Chlorine, total residual
212% over limit
Discharged 0.053 mg/L against a permitted limit of 0.017 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Chloride [as Cl]
522% over limit
Discharged 1430 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
522% over limit
Discharged 1430 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
July 31, 2024
Chloride [as Cl]
83% over limit
Discharged 420 mg/L against a permitted limit of 230 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
83% over limit
Discharged 420 mg/L against a permitted limit of 230 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)