SAPPHIRE LAKES PLANT WWTP #1
NPDES ID: NC0059421
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
BOD, 5-day, 20 deg. C
41% over limit
Discharged 42.25 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
73% over limit
Discharged 78 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
January 31, 2026
BOD, 5-day, 20 deg. C
53% over limit
Discharged 69 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
4% over limit
Discharged 31.3 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
September 30, 2025
BOD, 5-day, 20 deg. C
62% over limit
Discharged 73 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
August 31, 2025
BOD, 5-day, 20 deg. C
64% over limit
Discharged 74 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
May 31, 2025
BOD, 5-day, 20 deg. C
60% over limit
Discharged 72 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
August 31, 2024
BOD, 5-day, 20 deg. C
67% over limit
Discharged 75 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
July 31, 2024
Flow, in conduit or thru treatment plant
6% over limit
Discharged 0.0264 MGD against a permitted limit of 0.025 MGD (30DA AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)