Passage Data · Check a report · Use it from your AI

Sappi North America, Inc.

Paper Mills, major discharger, Skowhegan, Maine. NPDES permit ME0021521 expired Dec 31, 2020; its limits still apply. Last 12 months: over a limit 4 times (last September 2026), 1 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (25 values), outfall 100 form A monthly (17 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 3 of 24 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
January 2026BOD, 5-day, 20 deg. C, daily maximum56316 lb/d≤ 32670 lb/d72%
January 2026Solids, total suspended, daily maximum172317 lb/d≤ 77850 lb/d121%
August 2026Temp. difference, summer [deg. F], rolling average.5 deg F≤ .4 deg F25%
September 2026Temp. difference, summer [deg. F], rolling average.5 deg F≤ .4 deg F25%

Limits in force (56)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 105 deg FJun–Sep001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 9400 lb/dJun–Sep001
BOD, 5-day, 20 deg. Cmonthly average≤ 14850 lb/dJan, Feb, Mar, Apr, May, Oct, Nov, Dec001
BOD, 5-day, 20 deg. Cdaily maximum≤ 16600 lb/dJun–Sep001
BOD, 5-day, 20 deg. Cdaily maximum≤ 32670 lb/dJan, Feb, Mar, Apr, May, Oct, Nov, Dec001
pHminimum≥ 5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30000 lb/dJun–Sep001
Solids, total suspendedmonthly average≤ 41820 lb/dJan, Feb, Mar, Apr, May, Oct, Nov, Dec001
Solids, total suspendeddaily maximum≤ 50000 lb/dJun–Sep001
Solids, total suspendeddaily maximum≤ 77850 lb/dJan, Feb, Mar, Apr, May, Oct, Nov, Dec001
Aluminum, total [as Al]monthly averagereport only (mg/L)all year001
Aluminum, total [as Al]monthly averagereport only (mg/L)all year001
Aluminum, total [as Al]monthly average≤ 994 lb/dall year001
Aluminum, total [as Al]monthly average≤ 994 lb/dall year001
Halogens, adsorbable organicmonthly average≤ 2083 lb/dall year001
Halogens, adsorbable organicdaily maximum≤ 3180 lb/dall year001
Flow, in conduit or thru treatment plantmonthly average≤ 46.5 MGDall year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Colorquarterly average≤ 175 lb/ton prodMar, Jun, Sep, Dec001
Analytical Chemistryvaluereport only (N=0;Y=1)all year001
Analytical Chemistryvaluereport only (N=0;Y=1)all year001
Temp. difference, summer [deg. F]rolling average≤ .4 deg FJun–Sep001
Temp. difference, summer [deg. F]daily maximum≤ .5 deg FJun–Sep001
Temp. difference, summer [deg. F]daily maximum≤ .5 deg FJun–Sep001
Temp. difference, summer [deg. F]rolling average≤ .4 deg FJun–Sep001
Mercury, total [as Hg]monthly average≤ 28.5 ng/Lall year001
Mercury, total [as Hg]daily maximum≤ 42.7 ng/Lall year001
Chemical Oxygen Demand [COD]monthly averagereport only (lb/d)all year001
Chemical Oxygen Demand [COD]daily maximumreport only (lb/d)all year001
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiadaily minimumreport only (%)all year001
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiadaily minimumreport only (%)all year001
Noel Statre 10Day Chronic Salvel. Salmoniddaily minimumreport only (%)all year001
Noel Statre 10Day Chronic Salvel. Salmoniddaily minimumreport only (%)all year001
NOAEL Static 48Hr Acute Ceriodaphnia dubiadaily minimumreport only (%)all year001
NOAEL Static 48Hr Acute Ceriodaphnia dubiadaily minimumreport only (%)all year001
NOAEL Static 48Hr Acute Salvel. Salmoniddaily minimumreport only (%)all year001
NOAEL Static 48Hr Acute Salvel. Salmoniddaily minimumreport only (%)all year001
Chloroformmonthly average≤ 13.8 lb/dall year100
Chloroformdaily maximum≤ 23.1 lb/dall year100
2,4,6-Trichlorophenoldaily maximum≤ 2.5 ug/Lall year100
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximum≤ 10 pg/Lall year100
2,3,7,8-Tetrachlorodibenzofurandaily maximum≤ 10 pg/Lall year100
Pentachlorophenoldaily maximum≤ 5 ug/Lall year100
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year100
3,4,6-Trichloroguaiacoldaily maximum≤ 2.5 ug/Lall year100
3,4,6-Trichlorocatecholdaily maximum≤ 5 ug/Lall year100
2,4,5-Trichlorophenoldaily maximum≤ 2.5 ug/Lall year100
3,4,5-Trichloroguaiacoldaily maximum≤ 2.5 ug/Lall year100
3,4,5-Trichlorocatecholdaily maximum≤ 5 ug/Lall year100
Tetrachloroguaiacoldaily maximum≤ 5 ug/Lall year100
Trichlorosyringoldaily maximum≤ 2.5 ug/Lall year100
4,5,6-Trichloroguaiacoldaily maximum≤ 2.5 ug/Lall year100
2,3,4,6-Tetrachlorophenoldaily maximum≤ 2.5 ug/Lall year100
Tetrachlorocatecholdaily maximum≤ 5 ug/Lall year100

How strict are these limits?

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

Same industry: the 8 Paper and Allied Products permits in Maine.

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

· 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/ME0021521 · MCP: https://passage-data.com/mcp