This manual provides guidance on how to assess the risk of contamination of groundwater from on-site sanitation systems when planning low-cost water supply and sanitation schemes.
| Title | Guidelines for assessing the risk to groundwater from on-site sanitation |
| Publication Type | Miscellaneous |
| Year of Publication | 2001 |
| Authors | Ahmed, KM, Pedley, S, Macdonald, DMJ, Lawrence, AG, Howard, AG, Barret, MH |
| Secondary Title | British Geological Survey Commissioned Report |
| Volume | CR/01/142 |
| Pagination | 97 p. : 31 fig., 21 tab. |
| Date Published | 2001-01-01 |
| Publisher | British Geological Survey, Natural Environment Research Council (NERC) |
| Place Published | Keyworth, UK |
| Keywords | aquifers, chemical analysis, chemical quality, faecal pollutants, groundwater pollution, groundwater protection, guidelines, health hazards, indicator organisms, manuals, microbiological quality, nitrates, on-site disposal, pit latrines, sanitary surveys, sdisan, sdiwrm, water quality monitoring, wells |
| Abstract | This manual provides guidance on how to assess the risk of contamination of groundwater from on-site sanitation systems when planning low-cost water supply and sanitation schemes. The first part of the manual discusses the role of water and sanitation in reducing infectious diseases caused by pathogenic micro-organisms, including the role of indicator bacteria. The advantages and of different sanitation systems are also presented. This is followed by a discussion on aquifer contamination pathways and aquifer vulnerability, microbiological (fecal) contaminant attenuation and risk categories. The second part of the manual provides the actual guidelines. It starts with three first-step risk assessments: microbiological contamination via aquifer pathways, nitrate contamination, and microbiological contamination via well constructions. The last set of guidelines are on water quality monitoring and answer the questions: why, how, when and where to monitor, and how to analyse and interpret data. Annexes include worked examples and sanitary inspection forms. |
| Notes | Includes glossary 32 ref. |
| Custom 1 | 320, 244 |
