Tega Cay City of — NPDES permit SC0026751: limits, due date and EPA's record

Sewerage Systems, Tega Cay, South Carolina. NPDES permit SC0026751 expired Oct 31, 2015; its limits still apply. Last 12 months: over a limit once (last July 2026). Source: EPA ECHO, Oct 22, 2026.

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

Period ending	Parameter	Reported	Limit	Over by
July 2026	Coliform, fecal general, daily maximum	464	≤ 400 #/100mL	16%

Limits in force (70)

Parameter	Statistic	Limit	Months	Outfall
Oxygen, dissolved [DO]	instantaneous minimum	≥ 2 mg/L	all year	001
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	001
BOD, 5-day, 20 deg. C	daily maximum	≤ 60 mg/L	all year	001
BOD, 5-day, 20 deg. C	monthly average	≤ 73 lb/d	all year	001
BOD, 5-day, 20 deg. C	daily maximum	≤ 146 lb/d	all year	001
pH	minimum	≥ 6 SU	all year	001
pH	maximum	≤ 8.5 SU	all year	001
Solids, total suspended	monthly average	≤ 30 mg/L	all year	001
Solids, total suspended	daily maximum	≤ 60 mg/L	all year	001
Solids, total suspended	monthly average	≤ 73 lb/d	all year	001
Solids, total suspended	daily maximum	≤ 146 lb/d	all year	001
Nitrogen, ammonia total [as N]	monthly average	report only (mg/L)	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	≤ 16 mg/L	Mar–Oct	001
Nitrogen, ammonia total [as N]	daily maximum	report only (mg/L)	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 32 mg/L	Mar–Oct	001
Nitrogen, ammonia total [as N]	monthly average	report only (lb/d)	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	≤ 39 lb/d	Mar–Oct	001
Nitrogen, ammonia total [as N]	daily maximum	report only (lb/d)	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 78 lb/d	Mar–Oct	001
Phosphorus, total [as P]	monthly average	≤ .45 mg/L	all year	001
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	001
Phosphorus, total [as P]	monthly average	≤ .943 lb/d	all year	001
Phosphorus, total [as P]	daily maximum	report only (lb/d)	all year	001
Copper, total [as Cu]	monthly average	report only (mg/L)	all year	001
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	001
Copper, total [as Cu]	monthly average	report only (lb/d)	all year	001
Copper, total [as Cu]	daily maximum	report only (lb/d)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Chlorine, total residual	monthly average	≤ .117 mg/L	all year	001
Chlorine, total residual	daily maximum	≤ .202 mg/L	all year	001
Chlorine, total residual	monthly average	≤ .28 lb/d	all year	001
Chlorine, total residual	daily maximum	≤ .49 lb/d	all year	001
Coliform, fecal general	30-day geometric mean	≤ 200 #/100mL	all year	001
Coliform, fecal general	daily maximum	≤ 400 #/100mL	all year	001
Oxygen, dissolved [DO]	instantaneous minimum	≥ 2 mg/L	all year	002
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	002
BOD, 5-day, 20 deg. C	daily maximum	≤ 60 mg/L	all year	002
BOD, 5-day, 20 deg. C	monthly average	≤ 250 lb/d	all year	002
BOD, 5-day, 20 deg. C	daily maximum	≤ 500 lb/d	all year	002
pH	minimum	≥ 6 SU	all year	002
pH	maximum	≤ 8.5 SU	all year	002
Solids, total suspended	monthly average	≤ 30 mg/L	all year	002
Solids, total suspended	daily maximum	≤ 60 mg/L	all year	002
Solids, total suspended	monthly average	≤ 250 lb/d	all year	002
Solids, total suspended	daily maximum	≤ 500 lb/d	all year	002
Nitrogen, ammonia total [as N]	monthly average	≤ 16 mg/L	Mar–Oct	002
Nitrogen, ammonia total [as N]	monthly average	report only (mg/L)	Jan, Feb, Nov, Dec	002
Nitrogen, ammonia total [as N]	daily maximum	≤ 32 mg/L	Mar–Oct	002
Nitrogen, ammonia total [as N]	daily maximum	report only (mg/L)	Jan, Feb, Nov, Dec	002
Nitrogen, ammonia total [as N]	monthly average	≤ 133 lb/d	Mar–Oct	002
Nitrogen, ammonia total [as N]	monthly average	report only (lb/d)	Jan, Feb, Nov, Dec	002
Nitrogen, ammonia total [as N]	daily maximum	≤ 266 lb/d	Mar–Oct	002
Nitrogen, ammonia total [as N]	daily maximum	report only (lb/d)	Jan, Feb, Nov, Dec	002
Phosphorus, total [as P]	monthly average	≤ .45 mg/L	all year	002
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	002
Phosphorus, total [as P]	monthly average	≤ 3.25 lb/d	all year	002
Phosphorus, total [as P]	daily maximum	report only (lb/d)	all year	002
Copper, total [as Cu]	monthly average	report only (mg/L)	all year	002
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	002
Copper, total [as Cu]	monthly average	report only (lb/d)	all year	002
Copper, total [as Cu]	daily maximum	report only (lb/d)	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Chlorine, total residual	monthly average	≤ .117 mg/L	all year	002
Chlorine, total residual	daily maximum	≤ .202 mg/L	all year	002
Chlorine, total residual	monthly average	≤ .98 lb/d	all year	002
Chlorine, total residual	daily maximum	≤ 1.68 lb/d	all year	002
Coliform, fecal general	30-day geometric mean	≤ 200 #/100mL	all year	002
Coliform, fecal general	daily maximum	≤ 400 #/100mL	all year	002

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/SC0026751 · MCP: https://passage-data.com/mcp