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Patten Town of

Sewage treatment plant, Patten, Maine. NPDES permit MEU507775, in force until Dec 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (6 values), outfall SFN form A monthly (2 values), outfall SFS form A monthly (2 values), outfall UD1 form A monthly (2 values), outfall UD3 form A monthly (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 40 reports late

Limits in force (49)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cdaily maximum≤ 100 mg/LApr–Nov001
pHminimumreport only (SU)Apr–Nov001
pHmaximumreport only (SU)Apr–Nov001
Solids, total suspendeddaily maximum≤ 100 mg/LApr–Nov001
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)Apr–Nov001
Lagoon freeboardminimum≥ 2 ftApr–Nov001
Temperature, water deg. centigradedaily maximumreport only (deg C)May, OctB01
Specific conductancedaily maximumreport only (umho/cm)May, OctB01
pHminimum≥ 6 SUMay, OctB01
pHmaximum≤ 9 SUMay, OctB01
Solids, total suspendeddaily maximumreport only (mg/L)May, OctB01
Nitrogen, nitrate total [as N]daily maximum≤ 10 mg/LMay, OctB01
Depth to water level ft below landsurfacedaily maximumreport only (ft)May, OctB01
Temperature, water deg. centigradedaily maximumreport only (deg C)May, OctB07
Specific conductancedaily maximumreport only (umho/cm)May, OctB07
pHminimum≥ 6 SUMay, OctB07
pHmaximum≤ 9 SUMay, OctB07
Solids, total suspendeddaily maximumreport only (mg/L)May, OctB07
Nitrogen, nitrate total [as N]daily maximum≤ 10 mg/LMay, OctB07
Depth to water level ft below landsurfacedaily maximumreport only (ft)May, OctB07
Temperature, water deg. centigradedaily maximumreport only (deg C)May, OctB09
Specific conductancedaily maximumreport only (umho/cm)May, OctB09
pHminimum≥ 6 SUMay, OctB09
pHmaximum≤ 9 SUMay, OctB09
Solids, total suspendeddaily maximumreport only (mg/L)May, OctB09
Nitrogen, nitrate total [as N]daily maximum≤ 10 mg/LMay, OctB09
Depth to water level ft below landsurfacedaily maximumreport only (ft)May, OctB09
Temperature, water deg. centigradedaily maximumreport only (deg C)May, OctB10
Temperature, water deg. centigradedaily maximumreport only (deg C)May, OctB10
Specific conductancedaily maximumreport only (umho/cm)May, OctB10
Specific conductancedaily maximumreport only (umho/cm)May, OctB10
pHminimum≥ 6 SUMay, OctB10
pHminimum≥ 6 SUMay, OctB10
pHmaximum≤ 9 SUMay, OctB10
pHmaximum≤ 9 SUMay, OctB10
Solids, total suspendeddaily maximumreport only (mg/L)May, OctB10
Solids, total suspendeddaily maximumreport only (mg/L)May, OctB10
Nitrogen, nitrate total [as N]daily maximum≤ 10 mg/LMay, OctB10
Nitrogen, nitrate total [as N]daily maximum≤ 10 mg/LMay, OctB10
Depth to water level ft below landsurfacedaily maximumreport only (ft)May, OctB10
Depth to water level ft below landsurfacedaily maximumreport only (ft)May, OctB10
Application rate, gallons spray irrigationweekly maximum≤ 374542 galApr–NovSFN
Flow, totalmonthly totalreport only (gal)Apr–NovSFN
Application rate, gallons spray irrigationweekly maximum≤ 374542 galApr–NovSFS
Flow, totalmonthly totalreport only (gal)Apr–NovSFS
Flow ratedaily maximumreport only (gal/min)Jul–SepUD1
Specific conductancedaily maximumreport only (umho/cm)Jul–SepUD1
Flow ratedaily maximumreport only (gal/min)Jul–SepUD3
Specific conductancedaily maximumreport only (umho/cm)Jul–SepUD3

How strict are these limits?

Cited limits by parameter: Maine's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MEU507775 · MCP: https://passage-data.com/mcp