Plants/wildlife
Algae
None, Cladaphora, Evenly dispersed, Floating mats, Attached, Blue-green scum, I'm not sure
Problem plant species spotted during survey (UK)
None, Himalayan balsam, Japanese knotweed, Giant hogweed, Skunk cabbage, Curly waterweed, Floating pennywort, Other
Issue reporting
Evidence of recent pollution
None, Small amount, Moderate amount, Large amount, Other
Outfall aesthetics
No odour or discoloration, Faint smell and/or slight discoloration, Mild smell, discoloration, and small covering of sewage fungus, Strong smell, discoloration, large covering of sewage fungus, Gross smell, sewage, significant sewage fungus, extensive problem
Outfall impact
No visible impact, Within 2 metres, Between 2 and 2 metres, Between 10 and 30 metres, Greater than 30 metres
Outfalls, pipes and drains
No outfall observed, Outfall present – no flow, Outfall present – flowing, Flow causing discolouration, Flow causing odour, Other
Pollution signs
White, opaque water, Blue-coloured water, Yellow-coloured water, Tea-coloured, brown water, Black, slity water, Foam or scum on water, Sewage-related debris, Cooking oil or fat, Food waste, Vehicle oil, Silt or construction materials, Other
Physical tests
Quantitative measurements
Estimated average water depth
Estimated width at water level
Flow
River stage
Secchi depth (clarity)
Qualitative observations
Channel bed materials
Bedrock, Boulders, Cobble, Gravel - pebble, Sand, Silt / clay, Artificial, Not visible, Other
Chemical tests
Air temperature
Equipment limits are enforced. Readings below -30.0 °C and above 45.0 °C are flagged as "Needs review". Extreme readings below -45.0 °C and above 55.0 °C are flagged as "Issue detected".
Alkalinity
Ammonia
- Hanna checker (ammonia - high range) measuring 0.0 - 99.0mg/L
- Hanna checker (ammonia - low range) measuring 0.0 - 3.0mg/L
- Hanna checker (ammonia - medium range) measuring 0.0 - 9.99mg/L
- LaMotte (ammonia-nitrogen) measuring 0.0 - 4.0ppm
- Other equipment in ppm measuring -100000.0 - 100000.0ppm
- Unspecified equipment (ammonia) measuring 0.0 - 1000000.0ppm
Ammonia-nitrogen
Biochemical oxygen demand (BOD)
Calcium
Chloride
Equipment limits are enforced. Readings below 12.0 mg/L and above 1500.0 mg/L are flagged as "Needs review". Extreme readings below 0.0 mg/L and above 3000.0 mg/L are flagged as "Issue detected". If there are more than 3 readings and readings change by more than 200.0% from the median, they're flagged as "Needs review". Readings below 12.0 ppm and above 1500.0 ppm are flagged as "Needs review". Extreme readings below 0.0 ppm and above 3000.0 ppm are flagged as "Issue detected".
- Hach teststrips (chloride - high range) measuring 250.0 - 7000.0mg/L
- Hach teststrips (chloride - low range) measuring 25.0 - 650.0mg/L
- Mohr's silver nitrate method measuring 0.0 - 25000.0mg/L
- Unspecified equipment (chloride) measuring 0.0 - 100000.0mg/L
- Unspecified equipment (chloride) measuring 0.0 - 100000.0ppm
Chlorine
Chlorophyll-A
Conductivity
Equipment limits are enforced. Readings below 20.0 μS/cm and above 5000.0 μS/cm are flagged as "Needs review". Extreme readings below 2.0 μS/cm and above 25000.0 μS/cm are flagged as "Issue detected". If there are more than 3 readings, and readings are 3.0 times the standard deviation of the median value, they're flagged as "Needs review". If there are more than 3 readings and readings change by more than 50.0% from the median, they're flagged as "Needs review". For Estuary and Ocean locations: Readings below 35000.0 μS/cm and above 55000.0 μS/cm are flagged as "Needs review". For Estuary and Ocean locations: Extreme readings below 30000.0 μS/cm and above 100000.0 μS/cm are flagged as "Issue detected". For Estuary and Ocean locations: If there are more than 3 readings, and readings are 3.0 times the standard deviation of the median value, they're flagged as "Needs review". For Estuary and Ocean locations: If there are more than 3 readings and readings change by more than 50.0% from the median, they're flagged as "Needs review".
- HM Digital COM-100 multimeter (conductivity) measuring 0.0 - 9990.0μS/cm
- HM Digital EC-3 multimeter (conductivity) measuring 0.0 - 9990.0μS/cm
- Other pen-type meter (conductivity) measuring 0.0 - 1000000.0μS/cm
- Unspecified equipment (conductivity) measuring 0.0 - 1000000.0μS/cm
- Water Rangers pen-type meter (conductivity) measuring 0.0 - 20000.0μS/cm
- YSI multimeter (conductivity) measuring 0.0 - 20000.0μS/cm
Dissolved organic carbon
Fluorescence (fluorometer)
Hardness
Nitrate
- API 5-in-1 teststrips (nitrate) measuring 0.0 - 200.0mg/L
- Hach teststrips (nitrate) measuring 0.0 - 50.0mg/L
- Hanna checker (nitrate - high range) measuring 0.0 - 75.0ppm
- Hanna checker (nitrate - low range) measuring 0.0 - 5.0ppm
- Kyoritsu Packtest (nitrate) measuring 0.0 - 10.0mg/L
- Other lab test measuring 0.0 - 1000000.0mg/L
- Other teststrips measuring 0.0 - 100.0mg/L
- Spectrophotometer measuring 0.0 - 100.0mg/L
- Unspecified equipment (nitrate) measuring 0.0 - 1000.0mg/L
Nitrate-nitrogen
Nitrite
- API 5-in-1 teststrips (nitrites) measuring 0.0 - 10.0mg/L
- Hach teststrips (nitrites) measuring 0.0 - 3.0mg/L
- Hanna checker (nitrites) measuring 0.0 - 60000.0mg/L
- Other equipment in ppm measuring -100000.0 - 100000.0ppm
- Other teststrips in mg/L (nitrites) measuring 0.0 - 10000.0mg/L
- Other teststrips in ppm (nitrites) measuring 0.0 - 100.0ppm
- Unspecified equipment (nitrites) measuring 0.0 - 1000000.0mg/L
Nitrite-nitrogen
Oxygen
Equipment limits are enforced. Readings below 20.0 % and above 120.0 % are flagged as "Needs review". Extreme readings below 0.0 % and above 150.0 % are flagged as "Issue detected". If there are more than 3 readings and readings change by more than 75.0% from the median, they're flagged as "Needs review". Readings below 3.0 mg/L and above 12.0 mg/L are flagged as "Needs review". Extreme readings below 1.0 mg/L and above 14.99 mg/L are flagged as "Issue detected". If there are more than 3 readings, and readings are 3.0 times the standard deviation of the median value, they're flagged as "Needs review".
- AZ instruments optical meter (%) measuring 0.0 - 200.0%
- AZ instruments optical meter (mg/L) measuring 0.0 - 25.0mg/L
- Chemetrics ampoules (dissolved oxygen) measuring 0.0 - 12.0mg/L
- LaMotte (dissolved oxygen %) measuring 0.0 - 200.0%
- LaMotte (dissolved oxygen) measuring 0.0 - 10.0mg/L
- Other dissolved oxygen multimeter (%) measuring 0.0 - 200.0%
- Other lab test (oxygen mg/L) measuring 0.0 - 100.0mg/L
- Other multimeter (dissolved oxygen mg/L) measuring 0.0 - 20.0mg/L
- Unspecified equipment (dissolved oxygen %) measuring -100.0 - 20000.0%
- Unspecified equipment (dissolved oxygen in mg/L) measuring 0.0 - 1000000.0mg/L
- YSI meter (dissolved oxygen %) measuring 0.0 - 150.0%
- YSI multimeter (dissolved oxygen) measuring 0.0 - 20.0mg/L
pH
Equipment limits are enforced. Readings below 5.0 and above 10.0 are flagged as "Needs review". Extreme readings below 2.0 and above 12.0 are flagged as "Issue detected". If there are more than 3 readings and readings change by more than 25.0% from the median, they're flagged as "Needs review".
- API 5-in-1 teststrips (pH) measuring 6.0 - 9.0
- Chemetrics ampoules (dissolved oxygen) measuring 0.0 - 12.0mg/L
- Hydrion teststrips (pH) measuring 0.0 - 14.0
- LaMotte (precision pH) measuring 3.0 - 10.5
- Lifegard Saltwater teststrips (pH) measuring 0.0 - 14.0
- Other pen-type meter (pH) measuring 0.0 - 14.0
- Taylor teststrips (pH) measuring 6.4 - 8.4
- Unspecified equipment (pH) measuring 0.0 - 14.0
- Unspecified teststrips (pH) measuring 0.0 - 14.0
- Water Rangers pen-type meter (pH) measuring 0.0 - 14.0
- YSI multimeter (pH) measuring -2.0 - 14.0
Phosphate
- Ascorbic acid (total phosphorus) measuring 0.0 - 10000.0ppb
- Chemetrics ampoules (orthophosphate - high range) measuring 10.0 - 100.0mg/L
- Chemetrics ampoules (orthophosphate - low range) measuring 0.0 - 1.0mg/L
- Hanna checker (phosphate - high range) measuring 0.0 - 30.0mg/L
- Hanna checker (phosphate - low range) measuring 0.0 - 2.5mg/L
- Kyoritsu Packtest (phosphate) measuring 0.0 - 2.0mg/L
- Kyoritsu Packtest (phosphate-phosphorus) measuring 0.0 - 1.0mg/L
- LaMotte (phosphate - low range) measuring 0.0 - 2.0ppm
- Molybdenum blue (total orthophosphate) measuring 0.0 - 100000.0ppb
- Other lab test measuring 0.0 - 1000000.0mg/L
- Persulfate digestion method (total phosphorus) measuring 0.0 - 100.0µg/L
- Phosphate yellow method (phosphorus) measuring 0.0 - 100.0ppb
- Unspecified equipment (phosphate) measuring 0.0 - 1000.0ppm
Phosphate-phosphorus
- Ascorbic acid (total phosphorus) measuring 0.0 - 10000.0ppb
- Kyoritsu Packtest (phosphate) measuring 0.0 - 2.0mg/L
- Kyoritsu Packtest (phosphate-phosphorus) measuring 0.0 - 1.0mg/L
- Molybdenum blue (total orthophosphate) measuring 0.0 - 100000.0ppb
- Other lab test measuring 0.0 - 1000000.0mg/L
- Persulfate digestion method (total phosphorus) measuring 0.0 - 100.0µg/L
- Phosphate yellow method (phosphorus) measuring 0.0 - 100.0ppb
- Unspecified equipment (phosphate-phosphorus) measuring 0.0 - 1000000.0ppb
Salinity
- Other pen-type meter (salinity) measuring 0.0 - 200.0ppth
- Unspecified equipment (salinity) measuring 0.0 - 1000000.0ppm
- Water Rangers pen-type meter (salinity in ppm) measuring 0.0 - 10000.0ppm
- Water Rangers pen-type meter (salinity in ppth) measuring 0.0 - 200.0ppth
- YSI multimeter (salinity) measuring 0.0 - 80.0ppth
Total dissolved solids (TDS)
Total Kjeldahl nitrogen
Total phosphorus
- Ascorbic acid (total phosphorus) measuring 0.0 - 10000.0ppb
- Molybdenum blue (total orthophosphate) measuring 0.0 - 100000.0ppb
- Other lab test measuring 0.0 - 1000000.0mg/L
- Persulfate digestion method (total phosphorus) measuring 0.0 - 100.0µg/L
- Phosphate yellow method (phosphorus) measuring 0.0 - 100.0ppb
- Unspecified equipment (total phosphorus) measuring 0.0 - 1000000.0ppb
Total phosphorus (bottom)
Total suspended solids (TSS)
Turbidity
- Jackson Candle Turbidimeter measuring 25.0 - 1000.0JTU
- LaMotte (turbidity) measuring 0.0 - 200.0JTU
- Portable turbidity meter measuring 0.0 - 1000.0NTU
- Turbidity tube (120 cm) measuring 0.0 - 14.0NTU
- Turbidity tube (45 cm) measuring 14.0 - 240.0NTU
- Turbidity tube (50 cm) measuring 12.0 - 240.0NTU
- Unspecified equipment (turbidity) measuring 0.0 - 1000000.0NTU
Water temperature
Equipment limits are enforced. Readings below 0.0 °C and above 35.0 °C are flagged as "Needs review". Extreme readings below -5.0 °C and above 40.0 °C are flagged as "Issue detected".
- Digital thermometer measuring 0.0 - 100.0°C
- HM Digital COM-100 multimeter (temperature) measuring 0.0 - 55.0°C
- HM Digital EC-3 multimeter (temperature) measuring 0.0 - 80.0°C
- Other multimeter (temperature) measuring -5.0 - 100.0°C
- Other thermometer measuring -100.0 - 100.0°C
- Unspecified equipment (water temperature) measuring -10.0 - 100.0°C
- Water Rangers (stream thermometer) and/or weather app measuring -40.0 - 40.0°C
- Water Rangers pen-type meter (temperature) measuring -5.0 - 60.0°C
- YSI multimeter (temperature) measuring -5.0 - 50.0°C
Biological tests
E. coli
- 3M Petrifilm Plates measuring 0.0 - 10000.0CFU/100 mL
- Coliscan Easygel measuring 0.0 - 1000000.0CFU/100 mL
- Fluidion measuring 0.0 - 1000000.0CFU/100 mL
- IDEXX Colilert 2000 measuring 0.0 - 25000.0CFU/100 mL
- IDEXX Colilert 5-sample Geomean measuring 0.0 - 25000.0CFU/100 mL
- IDEXX Tecta measuring 0.0 - 25000.0CFU/100 mL
- Other E. coli lab test measuring 0.0 - 1000000.0CFU/100 mL
- Other lab test in CFU/100 mL measuring 0.0 - 10000000.0CFU/100 mL
- Other lab test in MPN/100 mL measuring 0.0 - 1000000.0MPN/100 mL
- Roth R-Card 1mL (E. coli) measuring 0.0 - 25000.0CFU/100 mL
- Roth R-Card 3mL (E. coli) measuring 0.0 - 25000.0CFU/100 mL
- Roth R-Card ECC (E. coli, other coliform) measuring 0.0 - 100000.0CFU/100 mL
- Roth R-Card ECC-A (E. coli, total coliform) measuring 0.0 - 100000.0CFU/100 mL
- Unspecified equipment (E. coli) measuring 0.0 - 1000000.0CFU/100 mL
Enterococci
- Membrane filtration measuring 0.0 - 100000.0CFU/100 mL
- Most probable number (MPN/100 mL) measuring 0.0 - 100000.0MPN/100 mL
- Quantitative PCR measuring 0.0 - 100000000.0CE/100 mL
- Quantitative PCR measuring 0.0 - 1000000000.0CFU/100 mL
- Roth R-Card 1mL (Enterococci) measuring 0.0 - 1000000.0CFU/100 mL
- Unspecified equipment (enterococci) measuring 0.0 - 1000000.0CFU/100 mL
Incubation temperature
Incubation time
Other coliform
- 3M Petrifilm Plates measuring 0.0 - 10000.0CFU/100 mL
- Coliscan Easygel measuring 0.0 - 1000000.0CFU/100 mL
- Lab test (other fecal coliforms) measuring 0.0 - 1000000.0CFU/100 mL
- Roth R-Card 1mL (E. coli) measuring 0.0 - 25000.0CFU/100 mL
- Roth R-Card 3mL (E. coli) measuring 0.0 - 25000.0CFU/100 mL
- Roth R-Card ECC (E. coli, other coliform) measuring 0.0 - 100000.0CFU/100 mL
- Roth R-Card ECC (E. coli, other coliform) measuring 0.0 - 100000.0CFU/100 mL
- Roth R-Card ECC-A (E. coli, total coliform) measuring 0.0 - 100000.0CFU/100 mL
- Roth R-Card ECC-A (E. coli, total coliform) measuring 0.0 - 100000.0CFU/100 mL
- Unspecified equipment (other coliform) measuring 0.0 - 1000000.0CFU/100 mL
Total coliform
- IDEXX Colilert 2000 measuring 0.0 - 100000.0CFU/100 mL
- Lab test (total coliform) measuring 0.0 - 100000000.0CFU/100 mL
- Roth R-Card (total coliform) measuring 0.0 - 10000000.0CFU/100 mL
- Roth R-Card ECC (E. coli, other coliform) measuring 0.0 - 1000000.0CFU/100 mL
- Roth R-Card ECC-A (E. coli, total coliform) measuring 0.0 - 10000000.0CFU/100 mL
- Unspecified equipment (total coliform) measuring 0.0 - 1000000.0CFU/100 mL
Weather
Rain in previous 24 hours
None, Brief light rain or showers, Persistent light – moderate rain, Heavy and/or prolonged rain