Community Dry Toilet and Urine Diversion System Using IAPMO WE•Stand © 2018

2015 - Present | Rebranding 'waste' as a 'resource' + Poopology 101

This ecological sanitation (eco-san, ecosan) dry toilet system solution offering safely reduces the volume of municipal sewage sludge typically sent for processing by sewer avoidance via separation at the source/on-site remediation of humanure (human excreta). This eco-sanitary dry system solution uses the 2018 IAPMO WE-Stand (Water Efficiency and Sanitation Standard). Ultimately, a rich resource, humus, is generated via the thermophilic composting process that can be used as a soil amendment to grow food.

IMPORTANT ASIDE: The goal for Alameda County, located in the East San Francisco Bay Area, USA is to use a permutation of the Kailash Ecovillage eco-sanitary dry toilet system design. This permutation will be utilized by tiny house stewards managing hyper-intense farming on tax-defaulted, urban lots.

Conducted over four years, performance of a humanure batch compost processor, clearly demonstrates that high temperatures were reliably achieved with subsequent pathogen elimination to acceptable levels prior to distribution of high quality humus to the local garden environment. Additionally, urine diversion has also allowed the community to reclaim nitrogen and other nutrients otherwise lost in conventional sewage systems. The system has resulted in large savings of potable water, and significant carbon sequestration.

The ultimate aim: To be transformative leaders and change agents for rebranding waste as a resource, and developing and implementing innovative and agile eco-sanitation service options for application in the built/urban environment, where applicable and appropriate, for temporary or permanent needs.

IMAGE: Courtesy of Nature Commode

6th Int'l Dry Toilet Conference Tampere, Finland | 22-24 Aug 2018

Research Article | IWA Blue-Green Systems Online Vol 1, No, 1, Published 30 July 2019

Abstract (long version)

Presentation

More downloads...

1 October 2019 - CASE STUDY (Lake County, CA, USA) | Single User Ecosan Dry Toilet System Operation and Maintenance Manual

18 Sep 2019 update - The City of Portland, Oregon, USA officially approved and issued a permit for this eco-san dry toilet system. Documents can be reviewed and downloaded here.

30 Jul 2019 update - The updated paper was issued a DOI today and will be appearing in the IWA Blue-Green Systems Vol 1 No 1, DOI: 10.2166/bgs.2019.192

12 Jul 2019 update - The updated paper retitled The Kailash Ecovillage project converting human excreta into organic foodstuffs and sanitized compost using new international building codes for compost toilet and urine diversion systems was accepted for publication in the IWA Blue-Green Systems. Publication date coming soon...

28 Jun 2019 update - The updated paper retitled The Kailash Ecovillage project converting human excreta into organic foodstuffs and sanitized compost using new international building codes for compost toilet and urine diversion systems was submitted for final editorial review and assigned the following IWA Blue-Green Systems Manuscript Number: BGS-EM192.

25 Apr 2019 update - Meetings in Oakland, CA, USA at the EBMUD Ward 3, 5, 6 Annual Briefing and the Alameda County Environmental Health Department went much better than my colleague and I expected.

18 Apr 2019 update - CA District Two Water Quality Board recommended pursuing an exemption via the Alameda County Local Agency Management Plan.

Weeks of 11 & 18 Mar + 1 Apr 2019 update - Concrete conversations and meetings ensued and garnered more focused traction with the CA State and Regional (Alameda County) Quality Water Control Board agents, as well as the Alameda County Department of Environmental Health.

Thu, 28 Feb 2019 update - California State Senator Nancy Skinner's office has requested language for inclusion in a prospective bill to support this endeavor.

Thu, 21 Feb 2019 update - Kimberly was added as a member to the US Technical Advisory Group (TAG) to ISO/PC 31800 Community scale resource oriented sanitation treatment systems, which operates under standardization in the field of community scale resource oriented sanitation treatment systems. This international standard is defining requirements and test methods to ensure safety, performance, and sustainability of community-scale resource-oriented fecal sludge treatment units serving ~1,000-100,000 people.

Tue, 26 Feb 2019 update - The paper was assigned the following IWA WASH Manuscript Number: WASHDev-D-19-00027.

Sat, 23 Feb 2019 update - California State Assemblyman Rob Bonta suggested an eco-san compost toilet system pilot project be conducted to support this endeavor.

Tue, 11 Dec 2018 update - City of Berkeley, California District Two City Councilwoman, Cheryl Davila recommended inclusion in future agendas during city council meetings the promise eco-san compost toilets provide, and for consideration as a part of the city's endeavor for installing more public toilets.

Sun, 21 Oct 2018 update - Word from my colleague and co-author is our paper is under official editing review for publication in the IWA Water, Sanitation & Hygiene for Development Journal.

Sat, 20 Oct 2018 update - Our research offering was part of the FIRST Berkeley Disaster Preparedness Fair hosted by the Berkeley Disaster Preparedness Neighborhood Network, and City of Berkeley District Two Councilwoman, Cheryl Davila.

Sat, 13 Oct 2018 update - Attended US House of Representative Barbara Lee's Town Hall to share the urgent need for hygienic, safe, sanitary, thermophilic human excreta/humanure composting to address the open-defecation problem by the homeless population in Alameda County, CA, USA. She was the recipient of this one-page summary originally dispatched to her office on 18 Sept 2018.  

Fri, 24 Aug 2018 update - Word from my colleague and co-author on our presentation and paper is it was VERY WELL received, receiving a great deal of attention at this conference! Now, we wait to hear from the IWA Water Science & Technology Journal folks about their accepting our paper for publication.

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