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Dairy Farms, Lancaster, New Hampshire. NPDES permit NH0023540 expired Nov 30, 2023; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow rate | daily maximum | report only (gal/d) | all year | 001 |
| Rainfall duration | daily maximum | report only (hr/mo) | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 001 |
| pH | minimum | report only (SU) | all year | 001 |
| pH | maximum | report only (SU) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Rainfall | daily maximum | report only (in) | all year | 001 |
| E. coli, colony forming units [CFU] | daily maximum | report only (MPN/100mL) | all year | 001 |
| Precipitation volume | daily maximum | report only (in/hr) | all year | 001 |
| Flow rate | daily maximum | report only (gal/d) | all year | 002 |
| Rainfall duration | daily maximum | report only (hr/mo) | all year | 002 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 002 |
| pH | minimum | report only (SU) | all year | 002 |
| pH | maximum | report only (SU) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Rainfall | daily maximum | report only (in) | all year | 002 |
| E. coli, colony forming units [CFU] | daily maximum | report only (MPN/100mL) | all year | 002 |
| Precipitation volume | daily maximum | report only (in/hr) | all year | 002 |
| Flow rate | daily maximum | report only (gal/d) | all year | 003 |
| Rainfall duration | daily maximum | report only (hr/mo) | all year | 003 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 003 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 003 |
| pH | minimum | report only (SU) | all year | 003 |
| pH | maximum | report only (SU) | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 003 |
| Rainfall | daily maximum | report only (in) | all year | 003 |
| E. coli, colony forming units [CFU] | daily maximum | report only (MPN/100mL) | all year | 003 |
| Precipitation volume | daily maximum | report only (in/hr) | all year | 003 |
| Flow rate | daily maximum | report only (gal/d) | all year | 004 |
| Rainfall duration | daily maximum | report only (hr/mo) | all year | 004 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 004 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 004 |
| pH | minimum | report only (SU) | all year | 004 |
| pH | maximum | report only (SU) | all year | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 004 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 004 |
| Rainfall | daily maximum | report only (in) | all year | 004 |
| E. coli, colony forming units [CFU] | daily maximum | report only (MPN/100mL) | all year | 004 |
| Precipitation volume | daily maximum | report only (in/hr) | all year | 004 |
| Flow rate | daily maximum | report only (gal/d) | all year | 005 |
| Rainfall duration | daily maximum | report only (hr/mo) | all year | 005 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 005 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 005 |
| pH | minimum | report only (SU) | all year | 005 |
| pH | maximum | report only (SU) | all year | 005 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 005 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 005 |
| Rainfall | daily maximum | report only (in) | all year | 005 |
| E. coli, colony forming units [CFU] | daily maximum | report only (MPN/100mL) | all year | 005 |
| Precipitation volume | daily maximum | report only (in/hr) | all year | 005 |
| Flow rate | daily maximum | report only (gal/d) | all year | 006 |
| Rainfall duration | daily maximum | report only (hr/mo) | all year | 006 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 006 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 006 |
| pH | minimum | report only (SU) | all year | 006 |
| pH | maximum | report only (SU) | all year | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 006 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 006 |
| Rainfall | daily maximum | report only (in) | all year | 006 |
| E. coli, colony forming units [CFU] | daily maximum | report only (MPN/100mL) | all year | 006 |
| Precipitation volume | daily maximum | report only (in/hr) | all year | 006 |
| Flow rate | daily maximum | report only (gal/d) | all year | 007 |
| Rainfall duration | daily maximum | report only (hr/mo) | all year | 007 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 007 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 007 |
| pH | minimum | report only (SU) | all year | 007 |
| pH | maximum | report only (SU) | all year | 007 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 007 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 007 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 007 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 007 |
| Rainfall | daily maximum | report only (in) | all year | 007 |
| E. coli, colony forming units [CFU] | daily maximum | report only (MPN/100mL) | all year | 007 |
| Precipitation volume | daily maximum | report only (in/hr) | all year | 007 |
| Flow rate | daily maximum | report only (gal/d) | all year | 008 |
| Rainfall duration | daily maximum | report only (hr/mo) | all year | 008 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 008 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 008 |
| pH | minimum | report only (SU) | all year | 008 |
| pH | maximum | report only (SU) | all year | 008 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 008 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 008 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | 008 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 008 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 008 |
| Rainfall | daily maximum | report only (in) | all year | 008 |
| E. coli, colony forming units [CFU] | daily maximum | report only (MPN/100mL) | all year | 008 |
| Precipitation volume | daily maximum | report only (in/hr) | all year | 008 |
Cited limits by parameter: New Hampshire's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/NH0023540 · MCP: https://passage-data.com/mcp