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Verona Well Field RD/RA Group, c/o EnSafe Inc.

Special Trade Contractors, Battle Creek, Michigan. NPDES permit MI0042994, in force until Oct 1, 2030. Last 12 months: no values over a limit, 20 required values missing. Source: EPA ECHO, Oct 22, 2026.

Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 24 required values missing, 0 of 12 reports late

Limits in force (28)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Carbon tetrachloridedaily maximumreport only (ug/L)all year
1,2-Dichloroethanedaily maximum≤ 10 ug/Lall year
Chloroformdaily maximumreport only (ug/L)all year
Toluenedaily maximumreport only (ug/L)all year
Benzenedaily maximumreport only (ug/L)all year
Ethylbenzenedaily maximumreport only (ug/L)all year
Methylene chloridedaily maximum≤ 10 ug/Lall year
Tetrachloroethylenedaily maximum≤ 3 ug/Lall year
1,1-Dichloroethanedaily maximum≤ 5 ug/Lall year
1,1-Dichloroethylenedaily maximumreport only (ug/L)all year
1,1,1-Trichloroethanedaily maximumreport only (ug/L)all year
trans-1,2-Dichloroethylenedaily maximum≤ 15 ug/Lall year
Vinyl chloridedaily maximum≤ 10 ug/Lall year
Trichloroethylenedaily maximum≤ 5 ug/Lall year
Equipment inspection - visualvaluereport only (N=0;Y=1)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ 38 ug/Lall year
Chlorine, total residualinstantaneous maximum≤ 300 ug/Lall year
Chlorine, total residualdaily maximum≤ 200 ug/Lall year
Chlorination durationdaily maximumreport only (min/d)all year
Chlorination durationdaily maximum≤ 160 min/dall year
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year
Acetonedaily maximum≤ 500 ug/Lall year
cis-1,2-Dichloroethenedaily maximum≤ 15 ug/Lall year
Outfall observation,visual, y/n responsevaluereport only (N=0;Y=1)all year

How strict are these limits?

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

Same industry: the 11 Construction — Special Trade Contractors permits in Michigan.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MI0042994 · MCP: https://passage-data.com/mcp