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Wet Corn Milling, Houlton, Maine. NPDES permit ME0002216 expired Dec 31, 2018; its limits still apply. Last 12 months: over a limit 2 times (last August 2026), 6 of 69 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| April 2026 | Nitrogen, nitrate total [as N], daily maximum | 18.1 mg/L | ≤ 10 mg/L | 81% |
| August 2026 | Nitrogen, nitrate total [as N], daily maximum | 17.3 mg/L | ≤ 10 mg/L | 73% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | ≤ 32 deg C | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 001 |
| Streamflow | daily minimum | ≥ 15 cfs | Jun–Sep | 001 |
| Streamflow | daily minimum | ≥ 50 cfs | Jun–Sep | 001 |
| Streamflow | monthly average | report only (cfs) | Jun–Sep | 001 |
| Streamflow | monthly average | report only (cfs) | Jun–Sep | 001 |
| Streamflow | daily maximum | report only (cfs) | Jun–Sep | 001 |
| Streamflow | daily maximum | report only (cfs) | Jun–Sep | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 7 ppm | Jun–Sep | 001 |
| Oxygen, dissolved [DO] | daily minimum | report only (ppm) | Jun–Sep | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 7.3 mg/L | Jun–Sep | 001 |
| Oxygen, dissolved [DO] | daily minimum | report only (ppm) | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 243 mg/L | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 338 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 243 mg/L | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 338 mg/L | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 300 mg/L | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 599 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 300 mg/L | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 599 mg/L | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 54 lb/d | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 75 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 108 lb/d | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 150 lb/d | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 67 lb/d | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 134 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 134 lb/d | Jun–Sep | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 268 lb/d | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 284 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 284 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 567 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 567 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 63 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 126 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 126 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 252 lb/d | all year | 001 |
| Phosphorus, total [as P] | monthly average | ≤ .5 mg/L | Jun–Sep | 001 |
| Phosphorus, total [as P] | monthly average | ≤ .5 mg/L | Jun–Sep | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Jun–Sep | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Jun–Sep | 001 |
| Phosphorus, total [as P] | monthly average | ≤ .17 lb/d | Jun–Sep | 001 |
| Phosphorus, total [as P] | monthly average | ≤ .34 lb/d | Jun–Sep | 001 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | Jun–Sep | 001 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | Jun–Sep | 001 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 60000 gal/d | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 120000 gal/d | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 001 |
| Mercury, total [as Hg] | monthly average | ≤ 16.5 ng/L | all year | 001 |
| Mercury, total [as Hg] | monthly average | ≤ 16.5 ng/L | all year | 001 |
| Mercury, total [as Hg] | daily maximum | ≤ 24.8 ng/L | all year | 001 |
| Mercury, total [as Hg] | daily maximum | ≤ 24.8 ng/L | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | ≤ 30 deg C | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 50000 MGD | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | May–Nov | 003 |
| pH | minimum | ≥ 6 SU | May–Nov | 003 |
| pH | maximum | ≤ 9 SU | May–Nov | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | May–Nov | 003 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | May–Nov | 003 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | May–Nov | 003 |
| Sodium, total [as Na] | daily maximum | report only (mg/L) | May–Nov | 003 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | May–Nov | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | May–Nov | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Apr, Aug | MW1 |
| Specific conductance | daily maximum | report only (umho/cm) | Apr, Aug | MW1 |
| pH | minimum | ≥ 6 SU | Apr, Aug | MW1 |
| pH | maximum | ≤ 9 SU | Apr, Aug | MW1 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Apr, Aug | MW1 |
| Nitrogen, nitrate total [as N] | daily maximum | ≤ 10 mg/L | Apr, Aug | MW1 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr, Aug | MW1 |
| Sodium, total [as Na] | daily maximum | report only (mg/L) | Apr, Aug | MW1 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Apr, Aug | MW1 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Apr, Aug | MW3 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Apr, Aug | MW3 |
| Specific conductance | daily maximum | report only (umho/cm) | Apr, Aug | MW3 |
| Specific conductance | daily maximum | report only (umho/cm) | Apr, Aug | MW3 |
| pH | minimum | ≥ 6 SU | Apr, Aug | MW3 |
| pH | minimum | ≥ 6 SU | Apr, Aug | MW3 |
| pH | maximum | ≤ 9 SU | Apr, Aug | MW3 |
| pH | maximum | ≤ 9 SU | Apr, Aug | MW3 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Apr, Aug | MW3 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Apr, Aug | MW3 |
| Nitrogen, nitrate total [as N] | daily maximum | ≤ 10 mg/L | Apr, Aug | MW3 |
| Nitrogen, nitrate total [as N] | daily maximum | ≤ 10 mg/L | Apr, Aug | MW3 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr, Aug | MW3 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr, Aug | MW3 |
| Sodium, total [as Na] | daily maximum | report only (mg/L) | Apr, Aug | MW3 |
| Sodium, total [as Na] | daily maximum | report only (mg/L) | Apr, Aug | MW3 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Apr, Aug | MW3 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Apr, Aug | MW3 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Apr, Aug | MW5 |
| Specific conductance | daily maximum | report only (umho/cm) | Apr, Aug | MW5 |
| pH | minimum | ≥ 6 SU | Apr, Aug | MW5 |
| pH | maximum | ≤ 9 SU | Apr, Aug | MW5 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Apr, Aug | MW5 |
| Nitrogen, nitrate total [as N] | daily maximum | ≤ 10 mg/L | Apr, Aug | MW5 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr, Aug | MW5 |
| Sodium, total [as Na] | daily maximum | report only (mg/L) | Apr, Aug | MW5 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Apr, Aug | MW5 |
| Application rate, daily spray irrigation. | daily maximum | ≤ 20362 gal/acr | May–Nov | SF1 |
| Application rate, weekly spray irrigation. | weekly maximum | ≤ 40728 gal/acr | May–Nov | SF1 |
| Flow, total | monthly total | report only (gal) | May–Nov | SF1 |
| Application rate, daily spray irrigation. | daily maximum | ≤ 20362 gal/acr | May–Nov | SF2 |
| Application rate, weekly spray irrigation. | weekly maximum | ≤ 40728 gal/acr | May–Nov | SF2 |
| Flow, total | monthly total | report only (gal) | May–Nov | SF2 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Apr, Aug | TW5 |
| Specific conductance | daily maximum | report only (umho/cm) | Apr, Aug | TW5 |
| pH | minimum | ≥ 6 SU | Apr, Aug | TW5 |
| pH | maximum | ≤ 9 SU | Apr, Aug | TW5 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Apr, Aug | TW5 |
| Nitrogen, nitrate total [as N] | daily maximum | ≤ 10 mg/L | Apr, Aug | TW5 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr, Aug | TW5 |
| Sodium, total [as Na] | daily maximum | report only (mg/L) | Apr, Aug | TW5 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Apr, Aug | TW5 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Apr, Aug | TW6 |
| Specific conductance | daily maximum | report only (umho/cm) | Apr, Aug | TW6 |
| pH | minimum | ≥ 6 SU | Apr, Aug | TW6 |
| pH | maximum | ≤ 9 SU | Apr, Aug | TW6 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Apr, Aug | TW6 |
| Nitrogen, nitrate total [as N] | daily maximum | ≤ 10 mg/L | Apr, Aug | TW6 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr, Aug | TW6 |
| Sodium, total [as Na] | daily maximum | report only (mg/L) | Apr, Aug | TW6 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Apr, Aug | TW6 |
Cited limits by parameter: Maine's rules and the federal ones.
Same industry: the 18 Food and Kindred Products permits in Maine.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/ME0002216 · MCP: https://passage-data.com/mcp