| BS 3680-10B:1980* ISO 4363-1977 | Measurement of liquid flow in open channels. Sediment transport. Measurement of suspended sediment |
| BS 3680-10C:1996 | Measurement of liquid flow in open channels. Sediment transport. Guide to methods of sampling of sand-bed and cohesive-bed materials |
| BS 3680-10D:1986* ISO 4365-1985 | Measurement of liquid flow in open channels. Sediment transport. Methods for determination of concentration, particle size distribution and relative density of sediment in streams and canals |
| BS 3680-10E:1993* ISO 9195:1992 | Measurement of liquid flow in open channels. Sediment transport. Sampling and analysis of gravel bed material |
| BS 3680-1:1991 | Measurement of liquid flow in open channels. Glossary of terms |
| BS 3680-2A:1995* ISO 9555-1:1994 | Measurement of liquid flow in open channels. Dilution methods. General |
| BS 3680-2B:1993* ISO 9555-2:1992 | Measurement of liquid flow in open channels. Dilution methods. Methods of measurement using radioactive tracers |
| BS 3680-2C:1993* ISO 9555-3:1992 | Measurement of liquid flow in open channels. Dilution methods. Methods of measurement using chemical tracers |
| BS 3680-2D:1993* ISO 9555-4:1992 | Measurement of liquid flow in open channels. Dilution methods. Methods of measurement using fluorescent tracers |
| BS 3680-3B:1997* ISO 1100-1:1996 | Measurement of liquid flow in open channels. Stream flow measurement. Guide for the establishment and operation of a gauging station |
| BS 3680-3D:1980* ISO 4369-1979 | Measurement of liquid flow in open channels. Stream flow measurement. Moving-boat method |
| BS 3680-3E:1993* ISO 6416:1992 | Measurement of liquid flow in open channels. Stream flow measurement. Measurement of discharge by the ultrasonic (acoustic) method |
| BS 3680-3F:1986* ISO 1088-1985 | Measurement of liquid flow in open channels. Stream flow measurement. Collection and processing of data for determination of errors in measurement |
| BS 3680-3H:1993* ISO 9213:1992 | Measurement of liquid flow in open channels. Stream flow measurement. Electromagnetic method using a full-channel-width coil |
| BS 3680-3M:1990 | Measurement of liquid flow in open channels. Stream flow measurement. Guide to the methods of measuring high discharges in rivers |
| BS 3680-3Q:1993 | Measurement of liquid flow in open channels. Stream flow measurement. Code of practice for safe practice in stream gauging |
| BS 3680-3Q:2002 | Measurement of liquid flow in open channels. Guidelines for safe working practice in river flow measurement |
| BS 3680-4A:1981 | Methods of measurement of liquid flow in open channels. Weirs and flumes. Method using thin-plate weirs |
| BS 3680-4B:1986* ISO 4360:1984 | Methods of measurement of liquid flow in open channels. Weirs and flumes. Triangular profile weirs |
| BS 3680-4C:1981 | Methods of measurement of liquid flow in open channels. Weirs and flumes. Flumes |
| BS 3680-4D:1989 | Methods of measurement of liquid flow in open channels. Weirs and flumes. Compound gauging structures |
| BS 3680-4E:1990* ISO 3846:1989 | Methods of measurement of liquid flow in open channels. Weirs and flumes. Rectangular broad-crested weirs |
| BS 3680-4F:1990* ISO 4374:1990 | Methods of measurement of liquid flow in open channels. Weirs and flumes. Round nose horizontal broad-crested weirs |
| BS 3680-4G:1999 | Methods of measurement of liquid flow in open channels. Weirs and flumes. Flat-V weirs |
| BS 3680-4H:1986* ISO 8368-1985 | Methods of measurement of liquid flow in open channels. Weirs and flumes. Guide to the selection of flow gauging structures |
| BS 3680-4I:1986* ISO 8333-1985 | Methods of measurement of liquid flow in open channels. Weirs and flumes. V-shaped broad crested weirs |
| BS 3680-5:1992* ISO 1070:1992 | Measurement of liquid flow in open channels. Slope area method of estimation |
| BS 3680-6:1995 | Measurement of liquid flow in open channels. Guide to measurement of flow in tidal channels |
| BS 3680-7:1971 | Measurement of liquid flow in open channels. The measurement of liquid level (stage) |
| BS 3680-7:2000 | Measurement of liquid flow in open channels. Specification of equipment for the measurement of water level |
| BS 3680-8A:1989* ISO 2537:1988 | Measurement of liquid flow in open channels. Measuring instruments and equipment. Current meters incorporating a rotating element |
| BS 3680-8B:1983* ISO 3454-1983 | Measurement of liquid flow in open channels. Measuring instruments and equipment. Recommendations for direct depth sounding and suspension equipment |
| BS 3680-8C:1980* ISO 3455-1976 | Measurement of liquid flow in open channels. Measuring instruments and equipment. Calibration of rotating-element current-meters in straight open tanks |
| BS 3680-8D:1980* ISO 4375-1979 | Measurement of liquid flow in open channels. Measuring instruments and equipment. Cableway system for stream gauging |
| BS 3680-8H:1996* ISO 11655:1995 | Measurement of liquid flow in open channels. Measuring instruments and equipment. Method of specifying the performance of hydrometric equipment |
| BS 3680-9A:1971 | Methods of measurement of liquid flow in open channels. Water level instruments. Specification for the installation and performance of pressure actuated liquid level measuring equipment |
| BS 3680-9B:1981 | Methods of measurement of liquid flow in open channels. Water level instruments. Float-operated water level recorders (mechanical and electromechanical) |
| BS 3680:Part 10C:1980* ISO 4364-1977 | Measurement of liquid flow in open channels. Sediment transport. Bed material sampling |
| BS 3680:Part 3A:1980* ISO 748-1979 | Measurement of liquid flow in open channels. Stream flow measurement. Velocity-area methods |
| BS 3680:Part 3B:1983* ISO 1100/1-1981 | Measurement of liquid flow in open channels. Stream flow measurement. Guide for establishment and operation of a gauging station |
| BS 3680:Part 3C:1983* ISO 1100/2-1982 | Measurement of liquid flow in open channels. Stream flow measurement. Methods for determination of the stage-discharge relation |
| BS 3680:Part 3G:1990* ISO 8363:1986 | Measurement of liquid flow in open channels. Stream flow measurement. General guidelines for the selection of methods |
| BS 3680:Part 3J:1989 | Measurement of liquid flow in open channels. Stream flow measurement. Guide to the measurement of discharge using three verticals |
| BS 3680:Part 4G:1990* ISO 4377:1990 | Methods of measurement of liquid flow in open channels. Weirs and flumes. Flat-V weirs |
| BS 3680:Part 6:1973 | Measurement of liquid flow in open channels. Measurement of flow in tidal channels |
| BS 3680:Part 8F:1986* ISO 6419/1-1984 | Measurement of liquid flow in open channels. Measuring instruments and equipment. Hydrometric data transmission systems: general |
| BS EN ISO 4373:2008 | Hydrometry. Water level measuring devices |
| BS EN ISO 4375:2004 | Hydrometric determinations. Cableway systems for stream gauging |
| BS EN ISO 6416:2005 | Hydrometry. Measurement of discharge by the ultrasonic (acoustic) method |
| BS EN ISO 748:2000 | Measurement of liquid flow in open channels. Velocity-area methods |
| BS EN ISO 748:2007 | Hydrometry. Measurement of liquid flow in open channels using current-meters or floats |
| BS EN ISO 772:2001 | Hydrometric determinations. Vocabulary and symbols |
| BS ISO 1088:2007 | Hydrometry. Velocity-area methods using current-meters. Collection and processing of data for determination of uncertainties in flow measurement |
| BS ISO 1100-2:1998 | Measurement of liquid flow in open channels. Determination of the stage-discharge relation |
| BS ISO 14139:2000 | Hydrometric determinations. Flow measurements in open channels using structures. Compound gauging structures. Compound gauging structures |
| BS ISO 1438:2008 | Hydrometry. Open channel flow measurement using thin- plate weirs |
| BS ISO 2425:1999+A1:2003 | Measurement of liquid flow in open channels under tidal conditions |
| BS ISO 2537:2007 | Hydrometry. Rotating-element current-meters |
| BS ISO 26906:2009 | Hydrometry. Fishpasses at flow measurement structures |
| BS ISO 3454:2008 | Hydrometry. Direct depth sounding and suspension equipment |
| BS ISO 3455:2007 | Hydrometry. Calibration of current-meters in straight open tanks |
| BS ISO 3846:2008 | Hydrometry. Open channel flow measurement using rectangular broad-crested weirs |
| BS ISO 4359:1983 | Liquid flow measurement in open channels. Rectangular, trapezoidal and U-shaped flumes |
| BS ISO 4360:2008 | Hydrometry. Open channel flow measurement using triangular profile weirs |
| BS ISO 4365:2005 | Liquid flow in open channels. Sediment in streams and canals. Determination of concentration, particle size distribution and relative density |
| BS ISO 4366:2007 | Hydrometry. Echo sounders for water depth measurements |
| BS ISO 4377:2002 | Hydrometric determinations. Flow measurement in open channels using structures. Flat-V weirs |
| BS ISO 748:1997 | Measurement of liquid flow in open channels. Velocity-area methods |
| BS ISO 8368:1999 | Hydrometric determinations. Flow measurements in open channels using structures. Guidelines for the selection of structure |
| BS ISO 9123:2001 | Measurement of liquid flow in open channels. Stage-fall-discharge relationships |
| BS ISO 9213:2004 | Measurement of total discharge in open channels. Electromagnetic method using a full-channel-width coil |
| BS ISO 9825:2005 | Hydrometry. Field measurement of discharge in large rivers and rivers in flood |
| BS ISO TR 11974:1997 | Measurement of liquid flow in open channels. Electromagnetic current meters |
| BS ISO TR 8363:1997 | Measurement of liquid flow in open channels. General guidelines for the selection of method |
| BS ISO/TS 15768:2000 | Measurement of liquid velocity in open channels. Design, selection and use of electromagnetic current meters |
| BS ISO/TS 15769:2000 | Hydrometric determination. Liquid flow in open channels and partly filled pipes. Guidelines for the application of Doppler-based flow measurements |
| DD CEN ISO/TS 25377:2007 | Hydrometric uncertainty guide |
| DD ISO/TS 24154:2005 | Hydrometry. Measuring river velocity and discharge with acoustic Doppler profilers |
| DD ISO/TS 3716:2006 | Hydrometry. Functional requirements and characteristics of suspended-sediment samplers |
| PD ISO/TR 11330:1997 | Determination of volume of water and water level in lakes and reservoirs |
| PD ISO/TR 9212:2006 | Hydrometry. Measurement of liquid flow in open channels. Methods of measurement of bedload discharge |