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The Sustainability Park LLC

Sewerage Systems, major discharger, Chester, Virginia. NPDES permit VA0002780, in force until Mar 31, 2030. Last 12 months: no values over a limit, 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form N monthly (16 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (16)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5.8 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Solids, total suspendedmonthly average≤ 16 kg/dall year
Solids, total suspendeddaily maximum≤ 32 kg/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5.5 mg/Lall year
Nitrogen, ammonia total [as N]maximum≤ 5.5 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 2.9 kg/dall year
Nitrogen, ammonia total [as N]daily maximum≤ 2.9 kg/dall year
Phosphorus, total [as P]monthly average≤ 2 mg/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD) (alert, not enforceable)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD) (alert, not enforceable)all year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 324 kg/dall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 648 kg/dall year

How strict are these limits?

Cited limits by parameter: Virginia'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/VA0002780 · MCP: https://passage-data.com/mcp