Missouri Water & Wastewater Operator Tools

OpTrack Missouri re-presents MODNR public data for speed, clarity, and mobile use. Look up Missouri water and wastewater operator certifications, search DS, DW, WW, and CAFO licenses, check CEU requirements, and browse upcoming operator training in one place.

Tip: Try a last name or cert number.

Upcoming Training

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Introduction to Collection System Inspections
Dec 01, 2025 · Virtual
WW: 3.00
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Jar Testing
Dec 02, 2025 · Kirksville
DW: 6.00 WW: 6.00
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ABC's of BOD's
Dec 03, 2025 · Virtual
WW: 3.50
View Details
Total Current Operators
5,000
Total Current Certifications
7,690

Current Certifications by Type

Certification Count
DS-III 1,319
WW-D 1,023
DS-II 995
DS-I 957
DW-D 814
WW-A 667
DW-C 555
WW-C 535
DW-A 453
WW-B 144
DW-B 101
CF-B 74
CF-A 53

Get Started

Browse Operators Upcoming Training Data Sources & Transparency

What’s included today

  • Mobile-first operator & certification search
  • MODNR data presented with clean, fast tables
  • Training listings with quick filters

Coming soon

  • Optional Pro features (public tools remain free)
  • Alerts
  • Advanced analytics & dashboards