| Num |
Year |
Location |
Title |
T |
L |
F |
P |
| 01 |
1973 |
Loughborough, UK | Environmental health engineering in hot climates and developing countries | 63 |
48 |
15 |
4 |
| 02 |
1975 |
Loughborough, UK | Water, waste and health in hot countries | 83 |
51 |
32 |
7 |
| 03 |
1976 |
Loughborough, UK | Planning for water and waste in hot countries | 76 |
56 |
20 |
7 |
| 04 |
1977 |
Loughborough, UK | Engineering for health in hot countries | 64 |
48 |
16 |
9 |
| 05 |
1979 |
Loughborough, UK | Collaboration in water and waste engineering for developing countries | 91 |
43 |
48 |
8 |
| 06 |
1980 |
Zaria, Nigeria | Water and waste engineering in Africa | 86 |
60 |
26 |
37 |
| 07 |
1981 |
Loughborough, UK | Water, people and waste in developing countries | 78 |
41 |
37 |
19 |
| 08 |
1982 |
Madras, India | Water and waste engineering in Asia | 134 |
122 |
12 |
35 |
| 09 |
1983 |
Harare, Zimbabwe | Sanitation and water for developing in Africa | 117 |
67 |
50 |
24 |
| 10 |
1984 |
Singapore, | Water and sanitation in Asia and the Pacific | 133 |
17 |
116 |
49 |
| 11 |
1985 |
Dar es Salaam, Tanzania | Water and sanitation in Africa | 124 |
68 |
56 |
37 |
| 12 |
1986 |
Calcutta, India | Water and sanitation at mid-decade | 339 |
240 |
99 |
47 |
| 13 |
1987 |
Lilongwe, Malawi | Rural water and engineering development in Africa | 140 |
59 |
81 |
32 |
| 14 |
1988 |
Kuala Lumpur, Malaysia | Water and urban services in Asia and the Pacific | 115 |
76 |
39 |
26 |
| 15 |
1989 |
Kano, Nigeria | Water, engineering and development in Africa | 135 |
81 |
54 |
27 |
| 16 |
1990 |
Hyderabad, India | Infrastructure for low-income countries | 131 |
80 |
51 |
31 |
| 17 |
1991 |
Nairobi, Kenya | Infrastructure, environment, water and people | 224 |
96 |
128 |
55 |
| 18 |
1992 |
Kathmandu, Nepal | Water, environment and management | 503 |
389 |
114 |
60 |
| 19 |
1993 |
Accra, Ghana | Water, sanitation, environment & development | 254 |
147 |
107 |
91 |
| 20 |
1994 |
Colombo, Sri Lanka | Affordable water supply and sanitation | 240 |
113 |
127 |
86 |
| 21 |
1995 |
Kampala, Uganda | Sustainability of water and sanitation systems | 406 |
260 |
146 |
85 |
| 22 |
1996 |
New Delhi, India | Reaching the unreached; challenges for the 21st century | 536 |
408 |
128 |
119 |
| 23 |
1997 |
Durban, South Africa | Water and sanitation for all: partnerships and innovations | 386 |
233 |
153 |
118 |
| 24 |
1998 |
Islamabad, Pakistan | Sanitation and water for all | 297 |
206 |
91 |
96 |
| 25 |
1999 |
Addis Ababa, Ethiopia | Integrated development for water supply and sanitation | 462 |
282 |
180 |
118 |
| 26 |
2000 |
Dhaka, Bangladesh | Water, sanitation and hygiene | 433 |
271 |
162 |
115 |
| 27 |
2001 |
Lusaka, Zambia | People and Systems for Water, Sanitation and Health | 600 |
400 |
200 |
126 |
| 28 |
2002 |
Kolkata (Calcutta), India | Sustainable environmental sanitation and water services | 513 |
358 |
155 |
160 |
| 29 |
2003 |
Abuja, Nigeria | Towards the Millennium Development Goals | 367 |
283 |
84 |
107 |
| 30 |
2004 |
Vientiane, Laos | People-centred Approaches to Water and Environmental Sanitation | 450 |
240 |
210 |
113 |
| 31 |
2005 |
Kampala, Uganda | Maximizing the Benefits from Water and Environmental Sanitation | 420 |
261 |
159 |
98 |
| 32 |
2006 |
Colombo, Sri Lanka | Sustainable Development of Water Resources,
Water Supply and Environmental Sanitation | 360 |
200 |
160 |
123 |
| 33 |
2008 |
Accra, Ghana | Access to Sanitation and Safe Water: Global Partnerships and Local Actions | 310 |
172 |
138 |
92 |
| 34 |
2009 |
Addis Ababa, Ethiopia | Water, Sanitation and Hygiene: Sustainable Development and Multisectoral Approaches | 645 |
373 |
272 |
135 |
| 35 |
2011 |
Loughborough, UK | The future of water, sanitation and hygiene in low-income countries: Innovation, adaptation and engagement in a changing world | 266 |
|
266 |
108 |