COUNTY & STATE HEALTH DEPARTMENT LINKS Cook County Health Dept. http://www.cookcountypublichealth.org/programs-services/environmental-health/private-sewage-disposal-program Illinois Dept. of Public Health http://www.ilga.gov/commission/jcar/admincode/077/07700905sections.html Lake County Health Dept.  http://www.lakecountyil.gov/Health/want/ISD.htm     McHenry County Health Dept. http://www.co.mchenry.il.us/common/CountyDpt/Health/default.asp MANUFACTURER LINKS Aquaklear http://www.aquaklear.net/ Bio-Microbics http://www.biomicrobics.com/ Clearstream    http://www.co.mchenry.il.us/common/CountyDpt/Health/default.asp                               Delta Environmental http://www.deltaenvironmental.com/ GAG Sim/Tech http://www.gag-simtech.com/ GeoFlow http://www.geoflow.com/ Hydro Action http://www.fortuneenvironmental.com/ Hydromatic http://www.hydromatic.com/ Multi-Flo http://consolidatedtreatment.com/multiflo.asp Orenco http://www.orenco.com/ The Disinfector http://www.onsitewtc.com/ONSITE1/HOW_IT_WORKSx.html Zoeller http://www.zoeller.com/zcopump/zcohome.htm