HARBOR GATE CO-OWNERS COUNCIL INC

NPDES permit SC0021849 · Minor NON-POTW · effective, expires 2030-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

2values over a limit
0required values missing, on 0 form(s)
0of 17 forms filed late

Last period with anything received: 2026-07-31. Most often over: E. coli (2).

Reporting

Reports are due about 29 days after each monitoring period ends (the most common figure among SC permits in EPA's filings — check your permit).

Limits in force (53)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 15 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 4.7 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 9.4 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 60 mg/L all year
001Solids, total suspendedMO AVG <= 9.4 lb/d all year
001Solids, total suspendedDAILY MX <= 18.8 lb/d all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= .86 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 1.75 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 1.72 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 3.5 mg/L Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= .27 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= .55 lb/d Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= .54 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 1.09 lb/d Jan, Feb, Nov, Dec
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Cadmium, total [as Cd]MO AVG <= .0003 mg/L all year
001Cadmium, total [as Cd]DAILY MX <= .0019 mg/L all year
001Cadmium, total [as Cd]MO AVG <= .0001 lb/d all year
001Cadmium, total [as Cd]DAILY MX <= .00059 lb/d all year
001Copper, total [as Cu]MO AVG <= .03412 mg/L all year
001Copper, total [as Cu]DAILY MX <= .05494 mg/L all year
001Copper, total [as Cu]MO AVG <= .01063 lb/d all year
001Copper, total [as Cu]DAILY MX <= .01713 lb/d all year
001Zinc, total [as Zn]MO AVG <= .1601 mg/L all year
001Zinc, total [as Zn]DAILY MX <= .1601 mg/L all year
001Zinc, total [as Zn]MO AVG <= .0501 lb/d all year
001Zinc, total [as Zn]DAILY MX <= .0501 lb/d all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG <= .011 mg/L all year
001Chlorine, total residualDAILY MX <= .019 mg/L all year
001Chlorine, total residualMO AVG <= .0034 lb/d all year
001Chlorine, total residualDAILY MX <= .0059 lb/d all year
001E. coli30DAVGEO <= 126 MPN/100mL all year
001E. coliDAILY MX <= 349 MPN/100mL all year
001E. coli30DAVGEO <= 126 MPN/100mL all year
001E. coliDAILY MX <= 800 MPN/100mL all year
001LC50 Static 48Hr Acute Ceriodaphnia dubiaDAILY MN report only all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG <= 25 % all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX <= 40 % all year
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states