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Sewage treatment plant, Presque Isle, Maine. NPDES permit MEU508088 expired Oct 31, 2022; its limits still apply. Last 12 months: over a limit 5 times (last August 2026), 2 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| November 2025 | 102 | Sodium, total [as Na], daily maximum | 66.7 mg/L | ≤ 22 mg/L | 203% |
| November 2025 | 103 | Sodium, total [as Na], daily maximum | 25.3 mg/L | ≤ 22 mg/L | 15% |
| May 2026 | 102 | Sodium, total [as Na], daily maximum | 26.6 mg/L | ≤ 22 mg/L | 21% |
| August 2026 | 102 | Sodium, total [as Na], daily maximum | 33.5 mg/L | ≤ 22 mg/L | 52% |
| August 2026 | 103 | Sodium, total [as Na], daily maximum | 25.6 mg/L | ≤ 22 mg/L | 16% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Specific conductance | daily maximum | report only (umho/cm) | Apr–Nov | 001 |
| pH | daily maximum | report only (SU) | Apr–Nov | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | Apr–Nov | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Nov | 001 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | Apr–Nov | 001 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | Apr–Nov | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | Apr–Nov | 001 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | Apr–Nov | 001 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | Apr–Nov | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | Apr–Nov | 001 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | Apr–Nov | 001 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Apr–Nov | 001 |
| Lagoon freeboard | minimum | report only (ft) | all year | 001 |
| Lagoon freeboard | minimum | report only (ft) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | May, Aug, Nov | 102 |
| Turbidity | daily maximum | report only (NTU) | May, Aug, Nov | 102 |
| Specific conductance | daily maximum | report only (umho/cm) | May, Aug, Nov | 102 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | May, Aug, Nov | 102 |
| pH | daily maximum | report only (SU) | May, Aug, Nov | 102 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | May, Aug, Nov | 102 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | May, Aug, Nov | 102 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | May, Aug, Nov | 102 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | May, Aug, Nov | 102 |
| Calcium, total [as Ca] | daily maximum | report only (mg/L) | May, Aug, Nov | 102 |
| Magnesium, total [as Mg] | daily maximum | report only (mg/L) | May, Aug, Nov | 102 |
| Sodium, total [as Na] | daily maximum | ≤ 22 mg/L | May, Aug, Nov | 102 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | May, Aug, Nov | 102 |
| Chloride [as Cl] | daily maximum | ≤ 250 mg/L | May, Aug, Nov | 102 |
| Arsenic, total [as As] | daily maximum | ≤ .01 mg/L | May, Aug, Nov | 102 |
| Iron, total [as Fe] | daily maximum | ≤ .3 mg/L | May, Aug, Nov | 102 |
| Manganese, total [as Mn] | daily maximum | ≤ .05 mg/L | May, Aug, Nov | 102 |
| Solids, total dissolved [TDS] | daily maximum | ≤ 500 mg/L | May, Aug, Nov | 102 |
| Depth to water level ft below landsurface | daily maximum | report only (ft) | May, Aug, Nov | 102 |
| Sulfate | daily maximum | ≤ 250 mg/L | May, Aug, Nov | 102 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | May, Aug, Nov | 103 |
| Turbidity | daily maximum | report only (NTU) | May, Aug, Nov | 103 |
| Specific conductance | daily maximum | report only (umho/cm) | May, Aug, Nov | 103 |
| pH | minimum | report only (SU) | May, Aug, Nov | 103 |
| pH | maximum | report only (SU) | May, Aug, Nov | 103 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | May, Aug, Nov | 103 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | May, Aug, Nov | 103 |
| Nitrogen, nitrate total [as N] | daily maximum | ≤ 10 mg/L | May, Aug, Nov | 103 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | May, Aug, Nov | 103 |
| Calcium, total [as Ca] | daily maximum | report only (mg/L) | May, Aug, Nov | 103 |
| Magnesium, total [as Mg] | daily maximum | report only (mg/L) | May, Aug, Nov | 103 |
| Sodium, total [as Na] | daily maximum | ≤ 22 mg/L | May, Aug, Nov | 103 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | May, Aug, Nov | 103 |
| Chloride [as Cl] | daily maximum | ≤ 250 mg/L | May, Aug, Nov | 103 |
| Arsenic, total [as As] | daily maximum | ≤ .01 mg/L | May, Aug, Nov | 103 |
| Iron, total [as Fe] | daily maximum | ≤ .3 mg/L | May, Aug, Nov | 103 |
| Manganese, total [as Mn] | daily maximum | ≤ .05 mg/L | May, Aug, Nov | 103 |
| Solids, total dissolved [TDS] | daily maximum | ≤ 500 mg/L | May, Aug, Nov | 103 |
| Depth to water level ft below landsurface | daily maximum | report only (ft) | May, Aug, Nov | 103 |
| Sulfate | daily maximum | ≤ 250 mg/L | May, Aug, Nov | 103 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | May, Aug, Nov | MW9 |
| Turbidity | daily maximum | report only (NTU) | May, Aug, Nov | MW9 |
| Specific conductance | daily maximum | report only (umho/cm) | May, Aug, Nov | MW9 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | May, Aug, Nov | MW9 |
| pH | daily maximum | report only (SU) | May, Aug, Nov | MW9 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | May, Aug, Nov | MW9 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | May, Aug, Nov | MW9 |
| Nitrogen, nitrate total [as N] | daily maximum | ≤ 10 mg/L | May, Aug, Nov | MW9 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | May, Aug, Nov | MW9 |
| Calcium, total [as Ca] | daily maximum | report only (mg/L) | May, Aug, Nov | MW9 |
| Magnesium, total [as Mg] | daily maximum | report only (mg/L) | May, Aug, Nov | MW9 |
| Sodium, total [as Na] | daily maximum | ≤ 22 mg/L | May, Aug, Nov | MW9 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | May, Aug, Nov | MW9 |
| Chloride [as Cl] | daily maximum | ≤ 250 mg/L | May, Aug, Nov | MW9 |
| Arsenic, total [as As] | daily maximum | ≤ .01 mg/L | May, Aug, Nov | MW9 |
| Iron, total [as Fe] | daily maximum | ≤ .3 mg/L | May, Aug, Nov | MW9 |
| Manganese, total [as Mn] | daily maximum | ≤ .05 mg/L | May, Aug, Nov | MW9 |
| Solids, total dissolved [TDS] | daily maximum | ≤ 500 mg/L | May, Aug, Nov | MW9 |
| Depth to water level ft below landsurface | daily maximum | report only (ft) | May, Aug, Nov | MW9 |
| Sulfate | daily maximum | ≤ 250 mg/L | May, Aug, Nov | MW9 |
| Application rate, gallons spray irrigation | weekly maximum | ≤ 84165 gal | Apr–Nov | SP1 |
| Flow, total | monthly total | report only (gal) | Apr–Nov | SP1 |
| Application rate, gallons spray irrigation | weekly maximum | ≤ 84165 gal | Apr–Nov | SP2 |
| Flow, total | monthly total | report only (gal) | Apr–Nov | SP2 |
| Application rate, gallons spray irrigation | weekly maximum | ≤ 84165 gal | Apr–Nov | SP3 |
| Flow, total | monthly total | report only (gal) | Apr–Nov | SP3 |
| Application rate, gallons spray irrigation | weekly maximum | ≤ 84165 gal | Apr–Nov | SP4 |
| Flow, total | monthly total | report only (gal) | Apr–Nov | SP4 |
| Application rate, gallons spray irrigation | weekly maximum | ≤ 84165 gal | Apr–Nov | SP5 |
| Flow, total | monthly total | report only (gal) | Apr–Nov | SP5 |
| Application rate, gallons spray irrigation | weekly maximum | ≤ 84165 gal | Apr–Nov | SP6 |
| Flow, total | monthly total | report only (gal) | Apr–Nov | SP6 |
| Application rate, gallons spray irrigation | weekly maximum | ≤ 84165 gal | Apr–Nov | SP7 |
| Flow, total | monthly total | report only (gal) | Apr–Nov | SP7 |
| Specific conductance | daily maximum | report only (umho/cm) | Apr–Nov | SWB |
| Solids, total suspended | daily maximum | report only (mg/L) | Apr–Nov | SWB |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Nov | SWB |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | Apr–Nov | SWB |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | Apr–Nov | SWB |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | Apr–Nov | SWB |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | Apr–Nov | SWB |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | Apr–Nov | SWB |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | Apr–Nov | SWB |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | Apr–Nov | SWB |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | Apr–Nov | SWB |
Cited limits by parameter: Maine'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/MEU508088 · MCP: https://passage-data.com/mcp