Department of the Environment,
Transport and the Regions

Cryptosporidium in Water Supplies


Contents

Letter from Professor Ian Bouchier to Secretaries of State

Membership of the Group

Chapter

1: Summary and recommendations

1.1 Summary
1.2 Recommendations

2: Introduction

2.1 Re-establishment of the Expert Group
2.2 Terms of reference
2.3 Format of the Report
2.4 Cryptosporidium parvum
2.5 Cryptosporidiosis
2.6 Cryptosporidium and water treatment
2.7 Sampling and analysis
2.8 Proposed Regulation for Cryptosporidium
2.9 Continuation of the Expert Group

3: Lessons learnt from outbreaks of waterborne cryptosporidiosis

3.1 Review of incidents
3.2 Cryptosporidiosis in north west London and Hertfordshire, spring 1997
3.3 Identifying and reporting the potential presence of oocysts in drinking water
3.4 Risk assessment

4: Assessment of contamination risk for groundwater resources

4.1 Groundwater use and protection
4.2 Microbiological contamination risk
4.3 Catchment control to minimise groundwater contamination
4.4 Operational aspects of groundwater abstraction
4.5 Water quality testing
4.6 Guidance for water utilities
4.7 Research needs
4.8 Recommendations
4.9 Glossary of terms used in Chapter 4

5: Advice to water utilities

5.1 Introduction
5.2 Risk assessment
5.3 Water treatment
5.4 Monitoring
5.5 Local working partnerships

6: Advice on management of waterborne outbreaks of cryptosporidiosis

6.1 Introduction
6.2 Incidents
6.3 Outbreaks
6.4 Press relations in management of an incident or outbreak
6.5 Draft meeting agenda, checklist and outline report for Outbreak Control Teams
6.6 Questions asked frequently during an outbreak

7: Guidance on the epidemiological investigation of outbreaks of infection

7.1 Introduction
7.2 Guidance manual
7.3 The Group's advice

8: Advice to the immunocompromised individual

8.1 Introduction
8.2 Prevention of exposure
8.3 Advice on the prevention of waterborne exposure

9: Current therapeutic approaches to cryptosporidiosis

9.1 Introduction
9.2 Pathogenesis
9.3 Cell cultures and animal models
9.4 Therapy
9.5 Prevention of recurrence
9.6 Conclusion

10: Advice on private water supplies

10.1 Introduction
10.2 Regulation of private water supplies
10.3 Quality of private water supplies
10.4 Advice on protecting the supply
10.5 Further advice for local authorities and owners and users of private water supplies

11: Review of research

11.1 Introduction
11.2 Detection of the organism
11.3 Viability and infectivity studies
11.4 Water treatment
11.5 Risk assessment
11.6 Cryptosporidium in the environment
11.7 Recommendations for research

Appendices


Adobe Acrobat versions of the above


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Updated 11 July 2001


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