A new Iowa law that took effect in July requires systems to be inspected, pumped, and brought up to modern standards when real estate changes hands. And the state’s Department of Natural Resources has begun cracking down on old systems that dump untreated household wastewater into open ditches, bedrock or waterways. According to DNR estimates, as many as 100,000 rural homes in Iowa still use systems that do not adequately treat household sewage.The Iowa Onsite Waste Water Association is the statewide association for the septic industry, with about 400 members, including pumpers, regulators, installation and maintenance contractors, soil scientists, engineers,
