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NB Blue Ridge LLC

Sewerage Systems, Crimora, Virginia. NPDES permit VA0088943, in force until Oct 31, 2030. Last 12 months: over a limit 10 times (last May 2026), 4 required values missing, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (19 values), form A1 yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
7 values over a limit, 42 required values missing, 2 of 13 reports late

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

Period endingParameterReportedLimitOver by
January 2026Nitrogen, ammonia total [as N], monthly average3.65≤ 2.9 mg/L26%
January 2026Nitrogen, ammonia total [as N], weekly average6.75≤ 2.9 mg/L133%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average2.92≤ 1.4 kg/d109%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average62.5≤ 20 mg/L213%
April 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average4.17≤ 2 kg/d109%
April 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average95≤ 30 mg/L217%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average2.69≤ 1.4 kg/d92%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average38≤ 20 mg/L90%
May 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average2.69≤ 2 kg/d35%
May 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average38≤ 30 mg/L27%

Limits in force (25)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 2 kg/dall year
Solids, total suspendedmaximum weekly average≤ 3.1 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 2.9 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 2.9 mg/Lall year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ .018 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD) (alert, not enforceable)all year
Chlorine, total residualmonthly average≤ .008 mg/Lall year
Chlorine, total residualmaximum weekly average≤ .0098 mg/Lall year
Chlorine, total residualinstantaneous minimum≥ .6 mg/Lall year
E. coligeometric mean≤ 126 #/100mLall year
Phosphorus, Total As Pannual maximum≤ 82.9 kg/yrall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 30 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1.4 kg/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 2 kg/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

New limits from Nov 1, 2029

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Nitrogen, ammonia total [as N], monthly average1.5 mg/Ltighter0.27 mg/L (11 values)0.18×
Nitrogen, ammonia total [as N], weekly average1.5 mg/Ltighter0.25 mg/L (10 values)0.167×

How strict are these limits?

Cited limits by parameter: Virginia'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/VA0088943 · MCP: https://passage-data.com/mcp