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Fairfax Water

Water Supply, Lorton, Virginia. NPDES permit VA0002585, in force until Apr 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: outfall 001 form Q1 quarterly, outfall 007 form Q1 quarterly, outfall 008 form A1 yearly, outfall 009 form Q1 quarterly
Last report on file
March 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 14 reports late

Limits in force (24)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 60 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmaximumreport only (MGD)all year001
pHminimum≥ 6 SUall year007
pHmaximum≤ 9 SUall year007
Solids, total suspendedmonthly averagereport only (mg/L)all year007
Solids, total suspendeddaily maximumreport only (mg/L)all year007
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantmaximumreport only (MGD)all year007
pHminimum≥ 6 SUall year008
pHmaximum≤ 9 SUall year008
Solids, total suspendedmonthly averagereport only (mg/L)all year008
Solids, total suspendeddaily maximumreport only (mg/L)all year008
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008
Flow, in conduit or thru treatment plantmaximumreport only (MGD)all year008
pHminimum≥ 6 SUall year009
pHmaximum≤ 9 SUall year009
Solids, total suspendedmonthly averagereport only (mg/L)all year009
Solids, total suspendeddaily maximumreport only (mg/L)all year009
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year009
Flow, in conduit or thru treatment plantmaximumreport only (MGD)all year009

How strict are these limits?

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

Same industry: the 24 Water Supply permits in Virginia.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VA0002585 · MCP: https://passage-data.com/mcp