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Dwelling Operators, Except Apartments, Indian Land, South Carolina. NPDES permit SC0030112, in force until Dec 31, 2028. Last 12 months: over a limit 3 times (last August 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | Phosphorus, total [as P], daily maximum | 5.6 | ≤ 4 mg/L | 40% |
| March 2026 | Phosphorus, total [as P], monthly average | 2.8 | ≤ 2 mg/L | 40% |
| August 2026 | BOD, 5-day, 20 deg. C, daily maximum | 21 | ≤ 20 mg/L | 5% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 10 mg/L | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 53 lb/d | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 106 lb/d | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 8.5 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 158 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 316 lb/d | all year |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.5 mg/L | Jan, Feb, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.8 mg/L | Mar–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9 mg/L | Jan, Feb, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.6 mg/L | Mar–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 24 lb/d | Jan, Feb, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 15 lb/d | Mar–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 48 lb/d | Jan, Feb, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 30 lb/d | Mar–Oct |
| Phosphorus, total [as P] | monthly average | ≤ 2 mg/L | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 4 mg/L | all year |
| Phosphorus, total [as P] | monthly average | ≤ 10.5 lb/d | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 21 lb/d | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | monthly maximum | ≤ .022 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .038 mg/L | all year |
| Chlorine, total residual | monthly average | ≤ .116 lb/d | all year |
| Chlorine, total residual | daily maximum | ≤ .2 lb/d | all year |
| E. coli | 30-day geometric mean | ≤ 126 MPN/100mL | all year |
| E. coli | daily maximum | ≤ 349 MPN/100mL | all year |
| E. coli | 30-day geometric mean | ≤ 126 MPN/100mL | all year |
| E. coli | daily maximum | ≤ 800 MPN/100mL | all year |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C, daily maximum | 87.14 lb/d | tighter | 7.61 lb/d (11 values) | 0.0873× |
| BOD, 5-day, 20 deg. C, monthly average | 43.57 lb/d | tighter | 3.26 lb/d (11 values) | 0.0748× |
| Phosphorus, total [as P], daily maximum | 13.3 lb/d | tighter | 0.85 lb/d (11 values) | 0.0639× |
| Phosphorus, total [as P], monthly average | 6.7 lb/d | tighter | 0.85 lb/d (11 values) | 0.127× |
| Solids, total suspended, daily maximum | 200 lb/d | tighter | 9.89 lb/d (11 values) | 0.0494× |
| Solids, total suspended, monthly average | 100 lb/d | tighter | 6.71 lb/d (11 values) | 0.0671× |
Cited limits by parameter: South Carolina's rules and the federal ones.
Same industry: the 27 Real Estate permits in South Carolina.
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Your permit document is the final word. As JSON: /api/v1/permits/SC0030112 · MCP: https://passage-data.com/mcp