Herts & Middlesex Wildlife Trust

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, 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, 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, phosphate, pollution evidence, rain previous 24hrs, shore vegetation, turbidity, water flow, water level, water temperature, wildlife uk

channel bed materials, current weather, invasive plants uk, pollution evidence, rain previous 24hrs, shore vegetation, water level, wildlife uk

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

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

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, turbidity, water flow, water level, water temperature, wildlife uk

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, 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, turbidity, water flow, water level, water temperature, wildlife uk

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

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

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

aquatic vegetation, average depth, 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

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