Passage Data · Check a report · Use it from your AI
Sewage treatment plant, Laurel, Delaware. NPDES permit DE0020125, in force until Oct 31, 2028. Last 12 months: no values over a limit, 60 required values missing, 5 of 10 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | daily average | report only (mg/L) | all year |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily average | ≤ 51 lb/d | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (lb/d) | all year |
| BOD, 5-day, 20 deg. C | daily average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | 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 | daily average | report only (mg/L) | all year |
| Solids, total suspended | daily maximum | report only (mg/L) | all year |
| Solids, total suspended | daily average | ≤ 88 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 132 lb/d | all year |
| Solids, total suspended | daily average | report only (mg/L) | all year |
| Solids, total suspended | daily maximum | report only (mg/L) | all year |
| Nitrogen, total [as N] | daily average | report only (mg/L) | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| Nitrogen, total [as N] | daily average | report only (mg/L) | May–Sep |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | May–Sep |
| Nitrogen, total [as N] | daily average | report only (lb/d) | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| Nitrogen, total [as N] | daily average | ≤ 23.4 lb/d | May–Sep |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| Nitrogen, total [as N] | daily maximum | ≤ 35.1 lb/d | May–Sep |
| Nitrogen, total [as N] | daily average | ≤ 8528 lb/yr | all year |
| Nitrogen, organic total [as N] | daily average | report only (mg/L) | all year |
| Nitrogen, organic total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, organic total [as N] | daily average | report only (lb/d) | all year |
| Nitrogen, organic total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | daily average | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily average | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily average | report only (lb/d) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrite + Nitrate total [as N] | daily average | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | daily average | report only (lb/d) | all year |
| Nitrite + Nitrate total [as N] | daily maximum | report only (lb/d) | all year |
| Phosphorus, total [as P] | daily average | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily average | ≤ 5.84 lb/d | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 8.76 lb/d | all year |
| Phosphorous, total organic [as P] | daily average | report only (mg/L) | all year |
| Phosphorous, total organic [as P] | daily maximum | report only (mg/L) | all year |
| Phosphorous, total organic [as P] | daily average | report only (lb/d) | all year |
| Phosphorous, total organic [as P] | daily maximum | report only (lb/d) | all year |
| Copper, dissolved [as Cu] | daily average | report only (ug/L) | all year |
| Copper, dissolved [as Cu] | daily maximum | report only (ug/L) | all year |
| Copper, dissolved [as Cu] | daily average | report only (lb/d) | all year |
| Copper, dissolved [as Cu] | daily maximum | report only (lb/d) | all year |
| Aluminum, total [as Al] | daily average | report only (mg/L) | all year |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year |
| Aluminum, total [as Al] | daily average | report only (lb/d) | all year |
| Aluminum, total [as Al] | daily maximum | report only (lb/d) | all year |
| Phosphate, ortho [as P] | daily average | report only (mg/L) | all year |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year |
| Phosphate, ortho [as P] | daily average | report only (lb/d) | all year |
| Phosphate, ortho [as P] | daily maximum | report only (lb/d) | all year |
| Enterococci: group D, MF trans, M-E, EIA | geometric mean | ≤ 100 CFU/100mL | all year |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
Cited limits by parameter: Delaware's rules and the federal ones.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/DE0020125 · MCP: https://passage-data.com/mcp