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List of Top-20 most active topics for a one-month period and all time top 100, measured by number of replies

# Subject # Replies in
1How should we call the excreta-derived product of a composting toilet or a UDDT? Do we need a new term?
Reply by Tore - 05.08.2016 - further replies by: hajo, biosanita (93 replies in January 1970 days, total 93 replies)
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2UDDT versus Pour Flush (with vermi-composting) versus ???: which are sustainable sanitation technologies and systems for peri-urban areas in Africa?
Reply by Tore - 23.09.2016 - further replies by: christoph, Tore (93 replies in January 1970 days, total 93 replies)
93
3Reply: Composting toilets do not produce compost - true or false? And is
Reply by AjitSeshadri - 09.03.2020 - further replies by: Elisabeth, AjitSeshadri (82 replies in January 1970 days, total 82 replies)
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4Vermi-Trickling Filters (or vermifilters) for Sewage Treatment (looking for help to design)
Reply by joymanglani - 02.12.2018 - further replies by: joymanglani, BPopov (69 replies in January 1970 days, total 69 replies)
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5The Earth Auger Toilet: Innovation in Waterless Sanitation (Fundacion In Terris, Ecuador)
Reply by muench - 28.08.2015 - further replies by: chuckhenry, vishwanathdalvi (53 replies in January 1970 days, total 53 replies)
53
6Bill Gates blog posts: This Ingenious Machine Turns Feces Into Drinking Water (Omni-processor by Janicki to process sludge) - now in Dakar, Senegal
Reply by muench - 20.06.2019 - further replies by: muench, muench (52 replies in January 1970 days, total 52 replies)
52
7Please help me with a global survey: how common are squatting toilets in your country?
Reply by zigazie - 19.03.2019 - further replies by: BPopov, muench (50 replies in January 1970 days, total 50 replies)
50
8Exploring how to address on-going taboos and silence around MHM for girls in school
Reply by Mintje - 19.11.2017 - further replies by: lindasemana, lindasemana (50 replies in January 1970 days, total 50 replies)
50
9Please say hello in SuSanA Edit-a-thon virtual workroom!
Reply by Carol McCreary - 20.03.2017 - further replies by: shiny, muench (49 replies in January 1970 days, total 49 replies)
49
10new article: on unused toilets in India
Reply by pkjha - 17.04.2015 - further replies by: shobana, pkjha (48 replies in January 1970 days, total 48 replies)
48
11Recent posts from the SuSanA Forum
Reply by mjahangir298 - 28.04.2016 - further replies by: FairWater, themessenger (48 replies in January 1970 days, total 48 replies)
48
12Public Compost toilet on Wild Atlantic Way, Ireland (and in National Parks in the US, Canada, Ukraine and elsewhere)
Reply by Ronniedeb - 16.03.2016 - further replies by: AquaVerde, goeco (46 replies in January 1970 days, total 46 replies)
46
13Call for SuSanA member meet-up in Nigeria
Reply by annetempel - 10.07.2017 - further replies by: ossai, annetempel (46 replies in January 1970 days, total 46 replies)
46
14Developing urine diversion systems in a developed world context
Reply by Carol McCreary - 18.10.2016 - further replies by: bowenarrow, emmanuel (45 replies in January 1970 days, total 45 replies)
45
15New Publication Part 2 - re.source: Mobile Sanitation Services for Dense Urban Slums (Stanford University, USA)
Reply by kcrussel - 09.11.2015 - further replies by: stilmans, kengelly (45 replies in January 1970 days, total 45 replies)
45
16Simple urine valves to control odour on waterless urinals with a soil filter for the air
Reply by canaday - 23.12.2015 - further replies by: JKMakowka, Ababu (44 replies in January 1970 days, total 44 replies)
44
17Innovations and Private Sector: Can They Solve the Sanitation Problem?
Reply by DianeKellogg - 12.01.2017 - further replies by: Florian, F H Mughal (44 replies in January 1970 days, total 44 replies)
44
18Uttar Pradesh rape and murder of cousins who were grabbed while using a field as a toilet (India) - and Violence, Gender and WASH
Reply by dietvorst - 10.06.2015 - further replies by: muench, Alex (43 replies in January 1970 days, total 43 replies)
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19LaDePa is a faecal sludge pelletising machine in eThekwini (Durban)
Reply by dorothee.spuhler - 12.09.2018 - further replies by: hajo, muench (42 replies in January 1970 days, total 42 replies)
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20Benefit of Dry Fecal Matter Reuse- is it worth the cost/effort of processing?
Reply by hajo - 16.02.2018 - further replies by: JKMakowka, Marijn Zandee (42 replies in January 1970 days, total 42 replies)
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21Health information on Wikipedia is going from strength to strength - can we do the same for sanitation (together with others)?
Reply by muench - 16.08.2016 - further replies by: muench, muench (42 replies in January 1970 days, total 42 replies)
42
22TDS: Urban WASH in Schools - Is the education sector ready? - Synthesis
Reply by Katrin - 09.11.2016 - further replies by: Katrin, Prit (41 replies in January 1970 days, total 41 replies)
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23Reply: Promote VERMIFILTRATION Technology for WASTEWATER PURIFICATION by EARTHWORMS to produce clean water
Reply by AjitSeshadri - 26.11.2019 - further replies by: Heiner, AjitSeshadri (41 replies in January 1970 days, total 41 replies)
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24Evaluation of an automated struvite reactor to recover phosphorus from source-separated urine
Reply by ChrisBuckley - 02.07.2015 - further replies by: ben, kudert (40 replies in January 1970 days, total 40 replies)
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25Micro flush toilet training in Ethiopia
Reply by Elisabeth - 05.04.2020 - further replies by: MirekuGh, goeco (40 replies in January 1970 days, total 40 replies)
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26Breathable membrane enclosures for fecal sludge stabilization (University of Delaware, USA)
Reply by shraysaxena88 - 18.08.2015 - further replies by: JKMakowka, shraysaxena88 (40 replies in January 1970 days, total 40 replies)
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27Reply: Debate about effectiveness of CLTS, prompted by UNICEF official after book launch about CLTS in Madagascar
Reply by psewor - 07.12.2014 - further replies by: pkjha, pjbury (40 replies in January 1970 days, total 40 replies)
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28Ecosan - what is it really? And what is the problem with ecosan? Is there a problem?
Reply by KaiMikkel - 22.09.2014 - further replies by: ben, muench (39 replies in January 1970 days, total 39 replies)
39
29Getting School WASH Right (Archive WG 7 mailing list)
Reply by susanaforum - 14.03.2012 - further replies by: susanaforum, susanaforum (38 replies in January 1970 days, total 38 replies)
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30Twin pit pour flush latrines in India - is it timely to call into question the design and operating principles?
Reply by pkjha - 25.05.2018 - further replies by: linusdagerskog, pkjha (38 replies in January 1970 days, total 38 replies)
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31Self Sustained eToilet for households/ Urban-semi urban Public/ Community Sanitation (Eram Scientific, India)
Reply by Bincy - 04.03.2015 - further replies by: Bincy, joeturner (37 replies in January 1970 days, total 37 replies)
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32Concept of Massive Open Online Courses for SUSANA and its members & users?
Reply by ulrichl - 13.10.2014 - further replies by: AquaVerde, dorothee.spuhler (37 replies in January 1970 days, total 37 replies)
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33Best decentralized treatment solution for a city without a centralized sewage system? (Question about Kabul, Afghanistan)
Reply by goeco - 06.03.2017 - further replies by: Hussain, goeco (37 replies in January 1970 days, total 37 replies)
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34Public cassete dry toilet in Kiev
Reply by BPopov - 09.10.2017 - further replies by: Ecowaters, goeco (37 replies in January 1970 days, total 37 replies)
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35The Ruby cup and MHM experiences from Kenya
Reply by secretariat - 13.04.2015 - further replies by: mwaniki, Maxie (36 replies in January 1970 days, total 36 replies)
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36Additives for pits, septic tanks, lagoons (faecal sludge). (includes EM)
Reply by pkjha - 16.02.2020 - further replies by: muench, muench (36 replies in January 1970 days, total 36 replies)
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37Does anyone have a good synthetic/artificial recipe of human excrement?
Reply by Ecowaters - 25.04.2020 - further replies by: tgurksi, prakasamtata (36 replies in January 1970 days, total 36 replies)
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38Diversion for Safe Sanitation - Grant on Advanced Toilet with On-Site Water Recovery (Eawag and EOOS, Switzerland and Austria)
Reply by SteffiE - 08.07.2015 - further replies by: kengelly, SteffiE (36 replies in January 1970 days, total 36 replies)
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39What is Terra Preta Sanitation (TPS) all about? Hype or ingenious?
Reply by JKMakowka - 27.11.2016 - further replies by: JKMakowka, JKMakowka (36 replies in January 1970 days, total 36 replies)
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40Press Release: iDE Cambodia hits 100,000 latrine sales in 2 years (single or double pit pour flush toilets, Easy Latrine) - and general discussion
Reply by denniskl - 24.10.2014 - further replies by: christoph, denniskl (36 replies in January 1970 days, total 36 replies)
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41Question re: latrine sludge temperatures and Ebola
Reply by JKMakowka - 12.03.2015 - further replies by: joeturner, Roslyn (36 replies in January 1970 days, total 36 replies)
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42How to measure temperature, humidity and pH for UDDTs in primitive Sumba
Reply by canaday - 21.01.2015 - further replies by: StewMartin, canaday (36 replies in January 1970 days, total 36 replies)
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43Using Cocopeat for Treating Septic Tank Effluent (RTI, USA - Philippines, Indonesia, Vietnam and other countries)
Reply by Roshan - 29.05.2013 - further replies by: dmrobbins10, dmrobbins10 (35 replies in January 1970 days, total 35 replies)
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44Pause before pushing more people to ODF
Reply by Elisabeth - 18.06.2020 - further replies by: satyagrahi, satyagrahi (35 replies in January 1970 days, total 35 replies)
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45The bigger picture - how Corona virus impacts go beyond human health care systems and into the life-critical systems - safe water, sanitation and hygiene
Reply by danipa - 19.04.2020 - further replies by: danipa, arno (35 replies in January 1970 days, total 35 replies)
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46Sanitation-related Apps for Smartphones
Reply by muench - 15.05.2014 - further replies by: susanaforum, JKMakowka (34 replies in January 1970 days, total 34 replies)
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47Various discussions around the Anammox process, nitrogen removal in wastewater treatment plants, nitrogen cycle, oxygen-free pockets in oceans
Reply by KeithBell - 10.01.2014 - further replies by: JKMakowka, KeithBell (34 replies in January 1970 days, total 34 replies)
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48Regular septic tanks vs Biodigester septic tanks
Reply by lusekelo1988 - 27.05.2020 - further replies by: Ashok, Gituku (34 replies in January 1970 days, total 34 replies)
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49FSM5 Update: submissions for Journal of Environmental Management
Reply by EMary - 13.07.2020 - further replies by: dorothee.spuhler, EMary (34 replies in January 1970 days, total 34 replies)
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50Topic 1 Protocol to test sewage for early warnings about COVID-19
Reply by drgs - 26.05.2020 - further replies by: cldviegas1408, drgs (34 replies in January 1970 days, total 34 replies)
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51Instructions for building UASBs & ABRs?
Reply by AquaVerde - 03.06.2014 - further replies by: elkv, AquaVerde (33 replies in January 1970 days, total 33 replies)
33
52Festival toilets in Europe (Great Britain, France, Germany, ...)
Reply by Florent - 10.12.2018 - further replies by: cecile, Florent (33 replies in January 1970 days, total 33 replies)
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53Reply: History of ecosan - Causes for abandoning recovery of nutrients from human excreta (and Wikipedia article on ecosan)
Reply by neilmacleod - 06.09.2015 - further replies by: KumiAbeysuriya, joeturner (33 replies in January 1970 days, total 33 replies)
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54How to measure helminth eggs (in a reuse context)
Reply by F H Mughal - 30.04.2018 - further replies by: muench, F H Mughal (32 replies in January 1970 days, total 32 replies)
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55Use of lime for faecal sludge treatment? (pilot project by iDE in Cambodia and other examples)
Reply by ben - 16.02.2015 - further replies by: BlakeMcK, denniskl (32 replies in January 1970 days, total 32 replies)
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56Benin: micro-entrepreneurs do not envisage the end of SSD project
Reply by USAIDssd - 17.03.2020 - further replies by: USAIDssd, USAIDssd (32 replies in January 1970 days, total 32 replies)
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57Sanitation for the Homeless in the US
Reply by geoffbhill - 04.01.2017 - further replies by: geoffbhill, Carol McCreary (32 replies in January 1970 days, total 32 replies)
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58Forum upgrade successful!! What do you think?
Reply by lizkora - 16.09.2017 - further replies by: muench, muench (32 replies in January 1970 days, total 32 replies)
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59More compact DEWATS technology?
Reply by Decentral - 03.12.2016 - further replies by: AquaVerde, Marijn Zandee (31 replies in January 1970 days, total 31 replies)
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60TDS: Week 1 Theme - Evolution and Further Development of the Sanitation Ladder
Reply by dorothee.spuhler - 23.02.2015 - further replies by: Sowmya, Roslyn (31 replies in January 1970 days, total 31 replies)
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61Feedback: Have a chat with us: „Open microphone“ SuSanA online webinar 18 June
Reply by muench - 03.10.2017 - further replies by: JKMakowka, muench (31 replies in January 1970 days, total 31 replies)
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62Public Finance at National Level
Reply by Katrin - 06.07.2015 - further replies by: HAPitot, Sowmya (31 replies in January 1970 days, total 31 replies)
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63To deal with the problem of water getting inside UDDT (new design idea)
Reply by samshancn - 27.03.2019 - further replies by: muench, Benno (31 replies in January 1970 days, total 31 replies)
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64Thematic Discussion: Working with Community Leaders to Change WASH Behaviors (14-22 April)
Reply by Nguavese - 09.05.2016 - further replies by: ErinR4D, SDickin (31 replies in January 1970 days, total 31 replies)
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65TDS: Urban WASH in Schools - Is the education sector ready? - Synthesis
Reply by Katrin - 09.11.2016 - further replies by: Katrin, Katrin (31 replies in January 1970 days, total 31 replies)
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66VermiComposting (digesters and filters) in Kigali, Rwanda
Reply by goeco - 31.05.2020 - further replies by: hajo, hajo (31 replies in January 1970 days, total 31 replies)
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67Consumer Insights on Sanitation – Upping the Usage of Fresh Life Toilets (update by Sanergy)
Reply by kevintayler - 08.10.2019 - further replies by: muench, kevintayler (30 replies in January 1970 days, total 30 replies)
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68Are pour flush toilets a good idea for (South) Africa?
Reply by kevintayler - 10.07.2016 - further replies by: sjoerdnienhuys, canaday (30 replies in January 1970 days, total 30 replies)
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69Introducing x-runner mobile system
Reply by Jessixr - 07.06.2015 - further replies by: muench, Jessixr (30 replies in January 1970 days, total 30 replies)
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70WASHplus Weekly: Focus on WASH & Nutrition
Reply by campbelldb - 02.07.2015 - further replies by: campbelldb, campbelldb (30 replies in January 1970 days, total 30 replies)
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7117th SuSanA Meeting on 31 August 2013 in Stockholm at the World Water Week -- with feedback
Reply by pjbury - 03.10.2013 - further replies by: dorothee.spuhler, tmsinnovation (30 replies in January 1970 days, total 30 replies)
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72Diabetes and NCDs (non-communicable diseases) as rallying point for improved sanitation
Reply by KeithBell - 21.06.2014 - further replies by: KeithBell, KeithBell (30 replies in January 1970 days, total 30 replies)
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73Wanting a better way to test pathogen inactivation? Us too! Can you help me crowdsource a better way?
Reply by BJimenezC - 29.07.2014 - further replies by: BJimenezC, muench (30 replies in January 1970 days, total 30 replies)
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74Implementer's Guide to Lime Stabilization for Septage Management in the Philippines
Reply by dmrobbins10 - 04.06.2018 - further replies by: sahidul93, secretariat (30 replies in January 1970 days, total 30 replies)
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75Use excreta compost only for non-edible plants (preferably)?
Reply by marko - 10.06.2013 - further replies by: Otterpohl, canaday (29 replies in January 1970 days, total 29 replies)
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76Air travel to conferences, site visits, etc. - our own excessive CO2 emissions contributing to global climate change?
Reply by muench - 24.02.2020 - further replies by: muench, muench (29 replies in January 1970 days, total 29 replies)
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77How much evidence do we have that mass deworming of children really has much of an impact?
Reply by Tore - 05.02.2017 - further replies by: muench, sayboom (29 replies in January 1970 days, total 29 replies)
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78The Biofil toilet technology for onsite sanitation in poor urban communities (Ghana, Senegal, Bangladesh)
Reply by goeco - 20.01.2016 - further replies by: hajo, andreanick (29 replies in January 1970 days, total 29 replies)
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79Decentralized sanitation a way to go for Ukraine?
Reply by BPopov - 28.01.2018 - further replies by: F H Mughal, BPopov (29 replies in January 1970 days, total 29 replies)
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80Solar treatment of feces?
Reply by jscheerer - 20.07.2018 - further replies by: Kevinkuhn, jscheerer (29 replies in January 1970 days, total 29 replies)
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81Ecodomeo urine diversion toilet
Reply by Florian - 13.11.2011 - further replies by: emmanuel, Florian (28 replies in January 1970 days, total 28 replies)
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82Catalyzing Sanitation Businesses (Water for People, USA, Malawi, Uganda, India)
Reply by smunyana - 30.08.2014 - further replies by: smunyana, smunyana (28 replies in January 1970 days, total 28 replies)
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83RTTC cost calculation: including capital costs?
Reply by Florian - 09.09.2013 - further replies by: Florian, chrisully (28 replies in January 1970 days, total 28 replies)
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84CLTS and human rights: Should the right to community-wide health be won at the cost of individual rights?
Reply by sengel - 07.02.2014 - further replies by: AquaVerde, dietvorst (28 replies in January 1970 days, total 28 replies)
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85Fw: re composting
Reply by MGuenard - 15.01.2016 - further replies by: joeturner, joeturner (28 replies in January 1970 days, total 28 replies)
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86Sanitary system to replace septic tank or municipal system
Reply by christoph - 09.04.2014 - further replies by: PatrickBBB, paulv (28 replies in January 1970 days, total 28 replies)
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87Global Handwashing Day 2015 (15 October) - Feedback
Reply by F H Mughal - 19.12.2015 - further replies by: WASHanna, WASHanna (28 replies in January 1970 days, total 28 replies)
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88Thoughts and feedback
Reply by annetempel - 06.07.2016 - further replies by: annetempel, secretariat (28 replies in January 1970 days, total 28 replies)
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89Minutes and participant's evaluation availabe
Reply by CeciliaRodrigues - 15.10.2012 - further replies by: muench, mbuyilukusadanny (27 replies in January 1970 days, total 27 replies)
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90Recording of presentation: Structuring of the fecal sludge market for the benefit of poor households in Dakar, Senegal (ONAS)
Reply by awhitesell - 18.07.2015 - further replies by: muench, muench (27 replies in January 1970 days, total 27 replies)
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91Shit flow diagrams - does it need to be called "shit"? The use of the term shit (a swear word or not?) in sanitation dialogues
Reply by cecile - 19.04.2015 - further replies by: AsitNema, pkjha (27 replies in January 1970 days, total 27 replies)
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92Equality and Non-Discrimination in Sanitation Programmes: 10 Principles
Reply by OUmelo - 18.09.2017 - further replies by: OUmelo, OUmelo (27 replies in January 1970 days, total 27 replies)
27
93Summary for our discussion on "Microfinance"
Reply by Katrin - 14.07.2015 - further replies by: Mauryvills, SophieTremolet (27 replies in January 1970 days, total 27 replies)
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94New strategy stops pollution and saves the plant nutrients for future recovery (new Smart Toilet from Sweden, a new type of composting toilet)
Reply by clint - 22.07.2016 - further replies by: muench, clint (27 replies in January 1970 days, total 27 replies)
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95WG1 Factsheet Update
Reply by dorothee.spuhler - 08.02.2012 - further replies by: Carol McCreary, F H Mughal (26 replies in January 1970 days, total 26 replies)
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96SuSanA Mission Statement
Reply by dorothee.spuhler - 30.06.2013 - further replies by: tmsinnovation, hpmang (26 replies in January 1970 days, total 26 replies)
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97when is a UDDT a bucket?
Reply by stilmans - 11.03.2013 - further replies by: Jessixr, christoph (26 replies in January 1970 days, total 26 replies)
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98Rate of filtration of septage through sand filter beds and technology for septage management
Reply by kharallaxman - 22.12.2017 - further replies by: Florian, canaday (26 replies in January 1970 days, total 26 replies)
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99What do we know about odorous gases from composting toilets (or from composting in general)? (Composting processes)
Reply by muench - 30.09.2015 - further replies by: tonacho, F H Mughal (26 replies in January 1970 days, total 26 replies)
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100Local taxation? What a crap idea!
Reply by HAPitot - 24.07.2015 - further replies by: Katrin, Guy (26 replies in January 1970 days, total 26 replies)
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