National River Survey

ammonia nitrogen, aquatic vegetation, average depth, channel bed materials, clarity, colour, conductivity, current weather, estimated width, invasive plants uk, nitrate-nitrogen, nitrite nitrogen, obstacles, outfall observations, phosphate, pollution evidence, rain previous 24hrs, shore vegetation, turbidity, water flow, water level, water temperature, wildlife uk

ammonia nitrogen, aquatic vegetation, average depth, channel bed materials, clarity, colour, conductivity, current weather, estimated width, invasive plants uk, nitrate-nitrogen, nitrite nitrogen, obstacles, outfall observations, phosphate, pollution evidence, rain previous 24hrs, shore vegetation, water flow, water level, water temperature, wildlife uk