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Index to Septic System Design Regulations & Specifications
based on New York State Septic System Regulations

Model septic system design specifications & regulations:

This article series uses the New York State wastewater treatment standard for individual household septic systems (Appendix 75-A) to provide an example of state regulated design and installation of both conventional tank and leach field septic systems and alternative septic system designs, including raised septic systems, septic mound systems, intermittent sand filter septic systems, and evaportion-transpiration septic systems.

Here we provide an outline of the entire septic system design specifications & regulations and link to individual detailed topics.

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Example Septic System Design Regulations & Design Specifications

APPENDIX 75-A to Public Health Law, 201(1)(1)
NEW YORK STATE
WASTEWATER TREATMENT STANDARDS - INDIVIDUAL HOUSEHOLD SEPTIC SYSTEMS

WASTEWATER TREATMENT DESIGN and REGULATION SECTION

See SEPTIC SYSTEM DESIGN BASICS for a description of the specifications and properties of most common septic systems such as tank and drainfield, soil & perc tests, septic tank pumping table, septic system treatment chemicals, and steep slope system designs.

See SEPTIC SYSTEM DESIGN ALTERNATIVES for a description of alternative septic system designers, products, and design specifications such as cesspools, disinfection systems, evaporation/transpiration, filters, fixed film gravelless, greywater, holding tanks, lagoons, media filters, mound septic designs, outhouses, peat filters, pressure dosing, raised beds, sequencing batch, steep slope, toilet alternatives, vegetated submerged beds, and wetland septic designs.

Septic System Design Codes & Regulations Articles

 




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Reader Comments, Questions & Answers About The Article Above

Below you will find questions and answers previously posted on this page at its page bottom reader comment box.

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs

On 2020-04-10 by (mod) - Can I repair my 20 year old leach bed with using the 20 year old code?

Ken

The authoritative answer to your code question always lies with the local building code compliance officer as her word is the final legal authority.

However in most jurisdictions, new work is done to current code;

"repair" of a leach field, such as fixing a broken pipe, ought not be a code issue.

but "repair" of a failed leachfield really means installing a new one - which will need to meet current codes.

On 2020-04-10 by Ken

Can I repair my 20 year old leach bed with using the 20 year old code?

On 2020-02-13 - by (mod) -

Agreed

On 2020-02-13 by ed

On Long Island NY we follow the International Building Code which specifies venting details for each fixture (shower sink toilet etc). I recall all fixtures must be vented. these can vent individually or be combined into one roof or side wall penetration (attic)

On 2018-02-11 by (mod) - Is there a code for VENTING the plumbing in homes

Dee

Depending on where you live local plumbing regulations or building codes perhaps modeled after the uniform Mechanical Code specify quite clearly the requirements for proper venting of the building drain system. If your building has no venting installed it is potentially unsafe as well as prone to clogs and blockages.

See PLUMBING VENT DEFECTS & NOISES - home

and PLUMBING VENT CODES

On 2018-02-11 by Dee

Is there a code for VENTING the plumbing in homes so NO SEPTIC GASES seep or vent into the home.

The home I'm in does NOT have any venting to outside for the plumbing, & the owner put the old school vent cap in the basement, after we smelled sewer gases in the home LAST winter not as strong. But everytime something drains we smelled the gases.

Now it's winter time & the sepric gases are CONSTANT h strong whereas everyone in our home no matter how much I air the house out we all have constant uppwr respiratory infections, & our children NEVER needed any antibiotics ever the youngest of 4 now 14 never ill & now we are always congested with sinus problems.

My Husband wirh 2 Leukemia's developed double pneumonia landed in the Hospital & in septh testing revealed bacteria from such type of gases ruling out everything else that could cause it.

There's a discrepancy because the older generation DOESN'T believe there's any laws or codes that require SPECIFIC VENTING of pumbing to outside & the basement ONLY venting is NO LONGER legal as a result of such health issues as this.

Csn someone PLEASE guide me to ANY written laes about VENTING plumbing for septic gas in homes?

On 2017-11-10 by Anonymous

What is the required size of a tank IOC a three bedroom home in Erie county?

On 2016-09-07 - by (mod) -

Graywater can be treated separately, for example in a drywell.

On 2016-09-06 by John

Is it a requirement under Appendix 75-A to treat "grey" water through homes septic system or can that be diverted separately?

On 2016-07-15 by Neal Jones

When did the requirement of a 1250 gallon septic tank for a four room house become effective in New York?


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