| 1259 | Code of Basic Requirements for Water Supply, Drainage and Sanitation | IS 1172:1993 |
| 1260 | Code of practice for building drainage | IS 1742:1983 |
| 1261 | Code of practice for selection, installation and maintenance of sanitary appliances | IS 2064:1993 |
| 1262 | Code of practice for water supply in buildings | IS 2065:1983 |
| 1263 | Code of practice for installation of septic tanks, Part I: design, criteria and construction | IS 2470-1:1985 |
| 1264 | Code of practice for installation of septic tanks, Part II: Secondary treatment and disposal of septic tank effluent | IS 2470-2:1985 |
| 1265 | Code of practice for laying cast iron pipes | IS 3114:1994 |
| 1266 | Code of practice for ancillary structures in the sewerage system, Part I: Manholes | IS 4111-1:1986 |
| 1267 | Code of practice for ancillary structures in the sewerage system, Part II: Flushing tanks | IS 4111-2:1985 |
| 1268 | Code of practice for ancillary structures in the sewerage system, Part III: Inverted syphon | IS 4111-3:1985 |
| 1269 | Code of Practice for Ancillary Structures in Sewerage System, Part IV: Pumping Stations and Pumping Mains (Rising mains) | IS 4111-4:1968 |
| 1270 | Code of practice for ancillary structures in the sewerage system, Part 5: Tidal outfalls | IS 4111-5:1993 |
| 1271 | Code of practice for laying glazed stoneware pipes | IS 4127:1983 |
| 1272 | Code of practice for sanitary pipe work above ground for buildings | IS 5329:1983 |
| 1273 | Code of Practice for Construction of Waste Stabilization Ponds (Facultative Type) | IS 5611:1987 |
| 1274 | Code of Practice for Laying of Electrically Welded Steel Pipes for Water Supply | IS 5822:1994 |
| 1275 | equipment for grit removal devices | IS 6279:1971 |
| 1276 | sewage screens | IS 6280:1971 |
| 1277 | Code of practice for water supply and drainage in high altitudes and sub-zero temperature regions | IS 6295:1986 |
| 1278 | Code of Practice for the Construction of Refuse Chutes in Multi storeyed Buildings | IS 6924:1973 |
| 1279 | Guidelines for rapid mixing devices | IS 7090:1985 |
| 1280 | Guidelines for flocculator devices | IS 7208:1992 |
| 1281 | Method for Imhoff cone test | IS 7232:1974 |
| 1282 | Code of practice for domestic hot water installations | IS 7558:1974 |
| 1283 | Code of practice for construction and maintenance of road gullies | IS 7740:1985 |
| 1284 | Requirements for biological treatment equipment, Part 1: Trickling filters | IS 8413-1:1977 |
| 1285 | Requirements for biological treatment end equipment, Part 2: Activated sludge process and its modifications | IS 8413-2:1982 |
| 1286 | Requirements for filtration equipment, Part 1: Filtration media - sand and gravel | IS 8419-1:1977 |
| 1287 | Requirements for rapid sand gravity filtration equipment, Part 2: Under drainage system | IS 8419-2:1984 |
| 1288 | Hand Operated Augers for Cleaning Water-closets, Pipes and Sewers | IS 9110:1979 |
| 1289 | Recommendations for handling and dosing devices for chemicals for water treatment, Part I: Coagulants | IS 9222-1:1990 |
| 1290 | Requirements for sludge dewatering equipment, Part I: Sludge drying beds-sand, gravel and underdrains | IS 10037-1:1981 |
| 1291 | Requirements for sludge de-watering equipment, Part 2: Vacuum filtration equipment | IS 10037-2:1983 |
| 1292 | Requirements for sludge de-watering equipment, Part 3: Centrifugal equipment (Solid bowl type) | IS 10037-3:1983 |
| 1293 | Requirements for equipment for Jackson candle turbidimeter and determination of turbidity | IS 10053:1981 |
| 1294 | Requirements for settling tank (clarifier equipment) for wastewater treatment | IS 10261:1982 |
| 1295 | Requirements for settling tank (clarifier equipment) for water treatment plant | IS 10313:1982 |
| 1296 | Glossary of terms relating to water supply and sanitation | IS 10446:1983 |
| 1297 | buckets to be used in the power-driven bucket-type sewer cleaning machine | IS 10552:1983 |
| 1298 | Requirements for chlorination equipment, Part I: General guidelines for chlorination plants including handling, storage and safety of chlorine cylinders and drums | IS 10553-1:1983 |
| 1299 | Requirements for chlorination equipment, Part 2: Vacuum feed type chlorinators | IS 10553-2:1983 |
| 1300 | Requirements for chlorination equipment, Part 4: Gravity feed type gaseous chlorinators | IS 10553-4:1983 |
| 1301 | Requirements of chlorination equipment, Part 5: Bleaching powder solution feeder displacement type chlorinator | IS 10553-5:1987 |
| 1302 | Requirements for power-driven bucket-type sewer cleaning machine | IS 10595:1983 |
| 1303 | Requirements for power-driven rodding machine for sewers | IS 11117:1984 |
| 1304 | Guidelines for registration of plumbers | IS 11208:1985 |
| 1305 | Requirements for high-pressure jetting machine for sewer cleaning | IS 11387:1985 |
| 1306 | attachment tools for power-driven rodding machines for sewers | IS 11397:1985 |
| 1307 | Requirements for slow sand filters, Part 1: General guidelines | IS 11401-1:1985 |
| 1308 | General requirements for slow sand filters, Part 2: Design, construction, operation and maintenance | IS 11401-2:1990 |
| 1309 | Recommendations for cement mortar lining for cast iron mild steel and ductile-iron pipes and fittings for transportation of water | IS 11906:1986 |
| 1310 | pitch-impregnated fibre pipes and fittings for drainage purposes | IS 11925:1986 |
| 1311 | sewer cleaning metal rods | IS 11931:1987 |
| 1312 | Code of practice for safety precautions to be taken when entering a sewerage system | IS 11972:1987 |
| 1313 | Code of practice for plumbing in multi-storied buildings, Part 1: Water supply | IS 12183-1:1987 |
| 1314 | Code of practice for drainage of building basements | IS 12251:1987 |
| 1315 | Code of Practice for Use and Laying of Ductile Iron Pipes | IS 12288:1987 |
| 1316 | Code of practice for sanitation with leaching pits for rural community | IS 12314:1987 |
| 1317 | mechanical surface aerators-guidelines for evaluation and testing | IS 13166:1992 |
| 1318 | General requirements of suction machine for cleaning sewers, manholes and ancillary structures provided on sewer line and closed stormwater drains | IS 13496:1992 |
| 1319 | Handbook on Water Supply and Drainage (with Special Emphasis on Plumbing) | SP 35:1987 |