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David Chaves Excavating Inc

Industrial or other facility, Londonderry, Vermont. NPDES permit VT0001368 expired Mar 31, 2015; its limits still apply. Last 12 months: no values over a limit, 8 required values missing, 4 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (6 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 8 required values missing, 5 of 12 reports late

Limits in force (11)

ParameterStatisticLimitMonths
Turbiditymonthly average≤ 10 NTUApr, May
Turbiditymonthly average≤ 10 NTUJan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
pHminimum≥ 6.5 SUMar–May
pHminimum≥ 6.5 SUJan, Feb, Jun, Jul, Aug, Sep, Oct, Nov, Dec
pHmaximum≤ 8.5 SUMar–May
pHmaximum≤ 8.5 SUJan, Feb, Jun, Jul, Aug, Sep, Oct, Nov, Dec
Solids, total suspendeddaily maximumreport only (mg/L)Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
Flow, in conduit or thru treatment plantmonthly average≤ 1.175 MGDApr, May
Flow, in conduit or thru treatment plantmonthly average≤ .104 MGDJan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
Flow, in conduit or thru treatment plantdaily maximum≤ 1.44 MGDApr, May
Perchlorate [ClO4]instantaneous maximumreport only (mg/L)all year

How strict are these limits?

Cited limits by parameter: Vermont'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/VT0001368 · MCP: https://passage-data.com/mcp