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Dragados USA Inc

Bridge, Tunnel, & Elevated Highway, Virginia Beach, Virginia. NPDES permit VA0093009, in force until Nov 30, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (27 values), form Q1 quarterly (1 value)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 15 reports late

Limits in force (28)

ParameterStatisticLimitMonths
Temperature, water deg. centigradeaveragereport only (deg C)all year
Temperature, water deg. centigrademaximumreport only (deg C)all year
Turbidityaveragereport only (NTU)all year
Turbiditymaximumreport only (NTU)all year
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
Oxygen, dissolved [DO]averagereport only (mg/L)all year
Oxygen, dissolved [DO]maximumreport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedaverage≤ 30 mg/Lall year
Solids, total suspendedmaximum≤ 60 mg/Lall year
Solids, settleableaveragereport only (mg/L)all year
Solids, settleablemaximumreport only (mg/L)all year
Nitrogen, total [as N]maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]maximumreport only (mg/L)all year
Phosphorus, total [as P]maximumreport only (mg/L)all year
Fluoride, total [as F]maximumreport only (mg/L)all year
Zinc, total recoverablemaximumreport only (ug/L)all year
Copper, total recoverablemaximumreport only (ug/L)all year
Surfactants [MBAS]maximumreport only (mg/L)all year
Petrol hydrocarbons, total recoverableaverage≤ 10 mg/Lall year
Petrol hydrocarbons, total recoverablemaximum≤ 15 mg/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly maximum≤ .17 MGDall year
Chlorine, total residualaveragereport only (mg/L)all year
Chlorine, total residualmaximum≤ .5 mg/Lall year
Toxicity, final conc toxicity unitsmaximum≤ 11.3 tox acuteall 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/VA0093009 · MCP: https://passage-data.com/mcp