New Hanover County — NPDES permit NC0049743: limits, due date and EPA's record

Refuse Systems, Wilmington, North Carolina. NPDES permit NC0049743, in force until May 31, 2031. Last 12 months: over a limit once (last February 2026), 24 required values missing, 9 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period ending	Parameter	Reported	Limit	Over by
February 2026	Chromium, hexavalent [as Cr], 30-day average	5.95 ug/L	≤ 5.5 ug/L	8%

Limits in force (24)

Parameter	Statistic	Limit	Months
BOD, 5-day, 20 deg. C	30-day average	≤ 30 mg/L	all year
BOD, 5-day, 20 deg. C	daily maximum	≤ 45 mg/L	all year
Oxygen demand, chem. [high level] [COD]	daily maximum	report only (mg/L)	all year
pH	daily minimum	≥ 6 SU	all year
pH	daily maximum	≤ 9 SU	all year
Solids, total suspended	30-day average	≤ 27 mg/L	all year
Solids, total suspended	daily maximum	≤ 45 mg/L	all year
Nitrogen, ammonia total [as N]	30-day average	≤ 4.9 mg/L	all year
Nitrogen, ammonia total [as N]	daily maximum	≤ 10 mg/L	all year
Cyanide, total [as CN]	30-day average	≤ 5 ug/L	all year
Cyanide, total [as CN]	daily maximum	≤ 22 ug/L	all year
Copper, total [as Cu]	30-day average	≤ 3.94 ug/L	all year
Copper, total [as Cu]	daily maximum	≤ 5.24 ug/L	all year
Zinc, total [as Zn]	30-day average	≤ 110 ug/L	all year
Zinc, total [as Zn]	daily maximum	≤ 200 ug/L	all year
Phenol	30-day average	≤ 15 ug/L	all year
Phenol	daily maximum	≤ 26 ug/L	all year
Flow, in conduit or thru treatment plant	30-day average	≤ .05 MGD	all year
p-Cresol	30-day average	≤ 14 ug/L	all year
p-Cresol	daily maximum	≤ 25 ug/L	all year
Benzoic acids, total	30-day average	≤ 71 ug/L	all year
Benzoic acids, total	daily maximum	≤ 120 ug/L	all year
.alpha.-Terpineol	30-day average	≤ 16 ug/L	all year
.alpha.-Terpineol	daily maximum	≤ 33 ug/L	all year

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/NC0049743 · MCP: https://passage-data.com/mcp