DWA-A 199-1 - Operating Instructions (11/2011)

---

Standard DWA-A 199-1E - Service and Operating Instructions for the Personnel of Wastewater Systems - Part 1: Service Instructions for the Personnel of Wastewater Systems - November 2011; check 2017 approved by experts

---

Operators of wastewater facilities shall establish service and operating instructions tailored to their respective circumstances in order to adhere to the requirements especially of § 57 of the German Water Resources Management Law (WHG) and in order to meet the minimum requirements of the self-inspection or self-monitoring ordinances of Germany's federal states. Since the regulatory content of the service instructions for all types of wastewater facilities is predominantly indentical, Part 1 of this Standard is valid for the sewerage system including rainwater treatment facilities as well as for pumping stations and for wastewater treatment plants.

---