Here is a link to guides to many water management resources including:
27-discharge measurements and estimates.pdf
33-maintaining-handpumps.pdf
34-protecting-springs.pdf
35-low-lift-irrigation-pumps.pdf
36-ferrocement-water-tanks.pdf
37-re-use-of-wastewater.pdf
38-emergency-sanitation-for-refugees.pdf
39-upgrading-traditional-wells.pdf
40-desalination.pdf
41-vlom-pumps.pdf
42-small-scale-irrigation-design.pdf
44-emergency-water-supply.pdf
45-latrine-slabs-and-seats.pdf
46-chlorination.pdf
47-improving-pond-water.pdf
48-small-earth-dams.pdf
49-choosing-an-appropriate-technology.pdf
50-sanitary-surveying.pdf
51-water-sanitation-and-hygiene-understanding.pdf
52-water-quality-or-quantity.pdf
54-emptying-latrine-pits.pdf
55-water-source-selection.pdf
56-buried-and-semi-submerged-tanks.pdf
57-surface-water-drainage.pdf
58-household-water-treatment-1.pdf
59-household-water-treatment-2.pdf
60-water-clarification-using-moringa-oleifera-seeds.pdf
61-on-plot-sanitation-in-urban-areas.pdf
62-emergency-water-supply-in-cold-regions.pdf
63-using-human-waste.pdf
64-wastewater-treatment-options.pdf
http://www.lboro.ac.uk/well/resources/technical-briefs/
Good find - thanks.