Title 21 - WATER AND SANITATION

Chapter 21-1 - WATER SUPPLY (§§ 100 — 199)
Chapter 21-2 - PUBLIC SEWER SYSTEM (§§ 200 — 299)
Chapter 21-3 - WATER METERS (§§ 300 — 399)
Chapter 21-4 - CONTESTED WATER AND SEWER BILLS (§§ 400 — 499)
Chapter 21-5 - WATER QUALITY AND POLLUTION (§§ 500 — 599)
Chapter 21-6 - RIPARIAN RIGHTS AND WATER PRIVILEGES (§§ 600 — 699)
Chapter 21-7 - SOLID WASTE CONTROL (§§ 700 — 799)
Chapter 21-8 - SOLID WASTE CONTAINER SPECIFICATIONS (§§ 800 — 899)
Chapter 21-9 - DISPOSAL OF CERTAIN BODY WASTES (§§ 900 — 910)
Chapter 21-10 - RETAIL ESTABLISHMENT CARRYOUT BAGS (§§ 1000 — 1099)
Chapter 21-11 - WATER QUALITY STANDARDS (§§ 1100 — 1199)
Chapter 21-13 - WATER QUALITY RESEARCH GRANT REGULATIONS (§§ 1300 — 1399)
Chapter 21-14 - SUBMERGED AQUATIC VEGETATION REGULATIONS (§§ 1400 — 1499)
Chapter 21-15 - DISCHARGES TO WASTEWATER SYSTEM (§§ 1500 — 1599)
Chapter 21-17 - BIOSOLIDS MANAGEMENT (§§ 1700 — 1799)
Chapter 21-18 - WELL CONSTRUCTION, MAINTENANCE, AND ABANDONMENT STANDARDS (§§ 1800 — 1899)
Chapter 21-19 - WATER QUALITY MONITORING REGULATIONS (§§ 1900 — 1999)
Chapter 21-20 - D.C. SOLID WASTE MANAGEMENT AND MULTI-MATERIAL RECYCLING (§§ 2000 — 2099)
Chapter 21-22 - WATER POLLUTION ENFORCEMENT (§§ 2200 — 2299)
Chapter 21-23 - EXPANDED POLYSTYRENE PROHIBITION (§§ 2300 — 2399)
Chapter 21-30 - PAVEMENT SEALANT REGULATIONS (§§ 3000 — 3099)
Chapter 21-40 - RETAIL RATEMAKING (§§ 4000 — 4099)
Chapter 21-41 - RETAIL WATER AND SEWER RATES CHARGES (§§ 4100 — 4199)
Chapter 21-52 - D.C. WATER AND SEWER AUTHORITY PERSONNEL REGULATIONS (§§ 5201 — 5215)
Chapter 21-53 - DISTRICT OF COLUMBIA WATER AND SEWER AUTHORITY PROCUREMENT REGULATIONS (§§ 5300 — 5399)
Chapter 21-54 - CROSS CONNECTIONS (§§ 5400 — 5499)