As informed by Municipal Corporation, Udaipur (Rajasthan) and Central Pollution Control Board (CPCB),a part of waste water (sewage) are being released into the Ayad river. At present, out of about57 MLD waste water being generated in Udaipur city, about 12 MLD waste water is going into the Ayad River. Central Pollution Control Board (CPCB) in association with Rajasthan State pollution Control Board (RSPCB) is monitoring water quality of aquatic resources at 196 locations in Rajasthan including Udaisagar Lake under National Water Quality Monitoring Programme. Udaisagar lake is monitored at only one location at Udaipur (at intake point) on monthly basis.