Ward, J, Lapworth, D, Sorensen, J, and Nowicki, S. 2018. Assessing microbiological contamination in groundwater sources: Field note on using Tryptophan-like Fluorescence (TLF) probes. Nottingham, UK, British geological Survey. (OR/18/042).
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General site information
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Village Name
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Source type*:
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Easting
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Northing
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Elevation
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Date of completion
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Name of assessor
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Date of assessment
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* Borehole-hand-pump, Well-hand-pump, Well, Spring, Dug river bed well, Other
Sample ID
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Sampling Time
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TTC sample Y/N
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Trytophan Like Fluorescence (TLF) Measurment
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Notes:
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Manual tryptophan readings taken after stable readings are obtained
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Water temperature (°C): Turbidity (NTU): SEC (mS/cm):
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Average
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Water Point Sanitary Risk Survey e.g. for handpump borehole/well
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Y/N
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1. Cement floor extends less than 0.75 metre diameter?
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2. Ponding of water on the cement floor?
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3. Cracks in the cement floor which could permit water to enter the well?
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4. Pump loose where attached to the base allowing water to enter the casing?
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5. Ponding beyond the cement floor within 3 metres of the well?
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6. Drainage channel cracked, broken or in need of cleaning?
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7. Animals have access to within 10 m of the well?
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8. Latrines, including old latrines, within 10 m of the well?
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9. Additional latrines, including old latrines, within 30 m of the well?
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10. Open water sources within 20 m of the well?
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11. Uncapped wells within 30 m of the well?
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12. Scattered waste within 30 m of the well
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13. Waste dumps within 30 m of the well?
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Shallow wells only (for boreholes mark as N)
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14. Cover of the well insanitary?
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15. Walls of the well inadequately sealed at any point below ground level?
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16. Rope and bucket used?
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Field Observations
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Photos taken of the water point
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Depth to groundwater table (mbgl)
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