Chapter Env-Dw 400 - PUBLIC WATER SYSTEM CLASSIFICATION AND DESIGN
- Part Env-Dw 401 - PWS CLASSIFICATION; WELL SITING REQUIREMENTS; HYDROGEOLOGIC AND ENGINEERING STUDIES (§§ 401.01 — 401.05)
- Part Env-Dw 402 - GENERAL DESIGN STANDARDS: SYSTEMS SERVING 1,000 OR MORE PEOPLE (§§ 402.01 — 402.06)
- Part Env-Dw 403 - COATINGS, ADDITIVES, AND LEAD PROHIBITION (§§ 403.01 — 403.03)
- Part Env-Dw 404 - DESIGN STANDARDS FOR LARGE PUBLIC WATER SYSTEMS (§§ 404.01 — 404.09)
- Part Env-Dw 405 - DESIGN STANDARDS FOR SMALL COMMUNITY WATER SYSTEMS (§§ 405.01 — 405.36)
- Part Env-Dw 406 - DESIGN STANDARDS FOR NON-COMMUNITY WATER SYSTEMS (§§ 406.01 — 406.29)
- Part Env-Dw 407 - STANDARDS ADOPTED BY REFERENCE (§ 407.01)