No person or group of persons shall discharge any sewage or refuse matter, or in any form pollute or otherwise contaminate any lake or stream in the Dyer Town Park District; nor shall any person burn any combustible materials within park areas, except in receptacles provided for that purpose, nor shall any person deposit, dump or litter in such park areas any paper, garbage, refuse or trash except in receptacles provided for that purpose. (Ord. No. 993, Art. II, § 4, 4-13-76)