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Septic System Alternatives: septic holding tanks, waterless septic systems, chemical toilets, electrical and gas toilets

  • DESIGN SPECS HOLDING TANKS, WATERLESS TOILETS - CONTENTS: Other Septic System Design Alternatives permitted or with waived usage regulation by state regulations. Approved designs for septic holding tanks, waterless septic systems. Approved (or not-approved) septic designs using chemical toilets, electrical and gas toilets. Approved or other regulations for composting septic systems. Designs & regulations for Incinerator Toilets [Gas, Electric Toilets], chemical toilets, recirculating toilets. Definition of Engineered Septic Systems and provisions for a waiver allowing their installation
  • POST a QUESTION or READ FAQs about regulation and approval of septic system alternatives such as septic holding tanks, waterless toilets, chemical, recirculating or incinerator toilets, and engineered septics
  • REFERENCES
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Septic system alternatives: holding tanks, waterless toilets.

This article discusses example procedures for evaluating, installing, approving other septic system types besides those already discussed. These include (by example) septic holding tanks, waterless septic systems, chemical toilets, electrical and gas toilets.



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Regulations for the Design of Other Septic System Alternatives: septic holding tanks, waterless septic systems, chemical toilets, electrical and gas toilets

Elastic water closet Thomas Crapper (C) DJF

Details about early toilet designs such as the elastic valve closet shown above are at ANTIQUE FLUSH TOILETS

NOTE: This section of NYS regulations discusses "alternatives" to onsite wastewater disposal systems. None of the systems discussed here dispose of septic effluent on the primary site, and some avoid effluent production completely, other than human excreta.

New York regulations (effective in 1990) do not discuss other septic and onsite wastewater handling methods such as aerobic septic systems.

[Click to enlarge any image]

The composting toilet shown at page top (Nature's Head) is discussed in more detail at ALTERNATIVE & WATERLESS TOILETS.

Readers should therefore also be sure to see SEPTIC SYSTEM DESIGN ALTERNATIVES.- Ed. NYS Title: Appendix 75-A.10

(a) Holding Tank Septic Systems

The use of holding tanks shall not be permitted for new home construction except where occupancy of a home is permitted while the sewage treatment system is under construction. Tank size shall be based upon five days design flow or 1,000 gallons, whichever is greater and meet the same construction as a septic tank except that the holding tank shall not have an outlet. Holding tanks are not acceptable for long term use on year-round residences.

See HOLDING TANK SEPTIC SYSTEMS for details

Also for RV holding tank issues
see RV HOLDING TANK DUMP INTO SEPTIC TANK?

(b) Non-Waterborne Septic Systems

(1) Waterless Toilets - General

In certain areas of the State where running water is not available or is too scarce to economically support flush toilets, or where there is a need or desire to conserve water, the installation of non-waterborne sewage systems may be considered however, the treatment of wastewater from sinks, showers, and other facilities must be provided when non-flush toilets are installed. Household wastewater without toilet wastes is known as greywater.

See ALTERNATIVE & WATERLESS TOILETS for detals and a complete list. And for a special circumstances requiring waterless toilet facilities see the following:

Also see CAMPING & EMERGENCY USE TOILETS

Also see DISASTER ZONE TOILET GUIDE for makeshift or temporary toilet designs & products

Also see LATRINE TYPES & CONSTRUCTION

Also see OUTHOUSES & LATRINES

Also see SQUAT TOILETS

Also see WATERLESS URINALS

(2) Composters [Composting Toilets].

These units shall be installed in accordance with the manufacturers instructions. The units shall have a label indicating compliance with the requirements of National Sanitation Foundation (NSF) Standard 41 or equivalent. Only units with a warranty of five years or more shall be installed.

See COMPOSTING TOILETS

(3) Chemical and Recirculating Toilets

(i) Chemical toilets provide a toilet seat located directly above a vault containing a chemical to disinfect and remove odors from the wastewater. Recirculating toilets use chemicals as the toilet flush fluid. The wastes are separated from the fluid, wastes discharged to an internal holding tank, and the fluid reused.

(ii) The liquids used in these types of toilets do not completely disinfect the wastes; therefore, waste products from these units shall not be discharged to surface waters or to the ground surface.

(iii) The reduced volume wastewater from recirculating toilets may be discharged to a larger holding tank but not to a subsurface absorption system.

See CHEMICAL TOILETS

(4) Incinerator Toilets [Gas, Electric Toilets]

These units accept human waste into a chamber where the wastes are burned. They have a very limited capacity and require a source of electricity or gas. The ash remains must be periodically removed. They must be installed according to the manufacturer's instructions.

See INCINERATOR TOILET SYSTEMS

(5) Greywater Systems

Greywater [grey water, gray water] systems shall be designed upon a flow of 75 gpd/bedroom and meet all the criteria previously discussed for treatment of household wastewater.

[DF NOTE: Grey water is water that does not include sewage, including water from sinks, showers, and laundry facilities.]

See GREYWATER SYSTEMS

Also see GREYWATER TOILETS & SEPTICS

(C) Engineered Septic Systems

(1) A treatment system of a type not discussed in this document may be allowed only through the issuance of a Specific Waiver by the health unit having jurisdiction as provided for in Part 75, of this Title.

(2) Special Conditions.

(i) The system shall be designed by a design professional.

(ii) An environmental assessment determines that the development of the site with this system is consistent with the overall development of the area and will cause no adverse environmental impacts. The homeowner/purchaser shall be informed of the expected reliability or problems with the design.

(iii) The design professional supervises the installation of the system and certifies that the system was built in accordance with the approved plan and/or submits as-built plans of the system.

See ALTERNATIVE SEPTIC DESIGNERS and also

See SEPTIC SYSTEM DESIGN ALTERNATIVES - home

Also see these low water toilet designs and economical toilet designs

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Continue reading at DESIGN APPROVAL for NEW or INTERIM SEPTIC SYSTEMS & PRODUCTS or select a topic from closely-related articles below, or see our complete INDEX to RELATED ARTICLES below.

Or see HOLDING TANK SEPTIC SYSTEMS

Or see TOILET DESIGN CHOICES

Or see TOILET TYPES, CONTROLS, PARTS - complete list of standard, economical, and alternative toilet products & designs

Or see SEPTIC SYSTEM DESIGN ALTERNATIVES - home

Or see SEPTIC CODES & REFERENCES

Or see SEPTIC & SEWAGE TREATMENT CODES & REFERENCES - home

Or see U.S. SEPTIC AUTHORITIES & DESIGN SPECIFICATIONS - start of this series

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DESIGN SPECS HOLDING TANKS, WATERLESS TOILETS at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.

INDEX to RELATED ARTICLES: ARTICLE INDEX to SEPTIC SYSTEMS

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