Chapter Env-Ws 400 - PROTECTION OF STATE SURFACE WATERS
- Part Env-Ws 401 - STATE SURFACE WATER DISCHARGE PERMITS
- Part Env-Ws 406 through 409 - RESERVED
- Part Env-Ws 410 - PROTECTION OF GROUNDWATER - EXPIRED AND MOVED TO Env-Wm 1403
- Part Env-Ws 411 UNDERGROUND STORAGE AND HANDLING OF OIL AND PETROLEUM LIQUIDS - RESERVED
- Part Env-Ws 412 - REPORTING AND REMEDIATION OF OIL DISCHARGES - REPEALED (Now Env-Wm 1600)
- Part Env-Ws 413 through Env-Ws 414 - RESERVED
- Part Env-Ws 415 - PERMITS FOR RSA 485-A:17 ACTIVITIES - Redesignated as Env-Wq 1500
- Part Env-Ws 416 through Env-Ws 419 - RESERVED
- Part Env-Ws 420 - GROUNDWATER RECLASSIFICATION - Redesignated as Env-Dw 901
- Part Env-Ws 421 - BEST MANAGEMENT PRACTICES - Redesignated as Env-Wq 401
- Part Env-Ws 422 through Env-Ws 429 - RESERVED
- Part Env-Ws 430 - SURFACE WATER QUALITY REGULATIONS - MOVED TO Env-Ws 1700
- Part Env-Ws 431 through Env-Ws 450 - RESERVED
- Part Env-Ws 451 - WATER QUALITY CERTIFICATION
- Part Env-Ws 452 - DEFINITIONS
- Part Env-Ws 453 - CERTIFICATION REQUIREMENTS
- Part Env-Ws 454 - APPLICATION PROCEDURES
- Part Env-Ws 455 - CERTIFICATION