Septic Systems Installation

Guidelines for designing proper performing OSSFs:

1.Flow equalization for all ATU's
2.Pressurized time dosing to field for systems with primary treatment only
3.Homeowner questionnaire
a.No ATU's if not perpetually occupied
4.Use TCEQ flows to establish average daily flows only
a.Use a project-specific peak flow multiplier for design
5.Do not depend on homeowner for success of system.
a.Automatic zone switching
i.verifiable
b.Automatic filter flushing
c.Automatic field flushing
d.Chlorine disinfection only if provider supplying Cl2 monthly
i.Ozone or UV disinfection, otherwise
e.Flow meter to verify system performance and usage
6.Electronic monitoring, if used, must verify system performance between visits
a.Auditable reporting
b.Verify communication integrity, at least monthly
c.Show system performance
i.Historical, at a minimum
ii.Real Time, for commercial
d.Service Provider's performance tracking
7.Commercial/Institutional Pretreatment Required
a.Determine wastewater characteristics
i.Influent
1.BOD, TSS, pH, COD, FOG, Temperature, Toxicity
2.Multiple samples
3.Multiple days
ii.Effluent
1.BOD >140
2.TSS >140
3.FOG > 10
4.pH = 7.0 approx.
b.Determine flows
i.GPM, avg
ii.GPM, peak
iii.GPD, avg
iv.GPD, peak
c.Determine balance of design using steps 1-5.



Previous Article : Septic System Pumps - - Next Article : Residential Septic System

Featured Articles
Providing Quality Service...Guaranteed In the Greater Austin Area of Travis, Hays, Williamson, Burnet, & Bastrop Counties , Onion Creek, Windmere, The Hills, Hays County, Dripping Springs, Buda, Jarrell, Georgetown, Brushy Creek, Bell County, Misc Locations.
Call (512) 338-1804 for fast, dependable service.
Unhappy With Your Septic System? Why do so many customers end up dissatisfied with their septic systems? We feel it starts with nobody asking or even considering the owner's opinion before...
Maintenance Here's a logical fact of life regarding septic systems: All septic systems require maintenance to keep them working correctly and to ensure their long life....
Aerobic Treatment Unit First, please understand that the State has clearly stated it is the owner's responsibility to operate the aerobic treatment unit in compliance with all regulations...
News Articles
  • Septic Tank Treatment (1) NSF-listed treatment units are only certified, and can only handle, residential strength wastewater at their rated flows....
  • Septic System Treatment Some aerobic systems include a pretreatment step to reduce the amount of solids in the wastewater going into...
  • Septic System Cleaning We service homes and businesses, cleaning aerobic systems, septic tanks and domestic holding tanks.The general rule of thumb...
  • Water Softeners When water contains a significant amount of calcium and magnesium, it is called hard water. Hard water is...
  • Septic Systems Thank goodness that the alternative of onsite treatment and disposal exists. Thank goodness we are here to...