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WATER TREATMENT MESSANA – 8TH GRADE WATER TREATMENT • SEWAGE TREATMENT PLANTS • PROCESS RAW WASTE & GET WATER READY TO ENTER BACK INTO RIVERS • 1.) SLUDGE SEPARATED, CHLORINE USED TO KILL HARMFUL BACTERIA • 2.) OXYGEN & SLUDGE-EATING BACTERIA USED • SEPTIC SYSTEMS • SMALL WASTEWATER SYSTEM USED BY HOME OR BUSINESS IN • RURAL AREA • SLUDGE CONSUMED BY BACTERIA • CLEANER WATER EXITS & SPREADS INTO GROUND SEPTIC SYSTEM WATER TREATMENT • DRINKING WATER TREATMENT PLANTS: • 1. WATER PIPED IN FROM RIVER OR LAKE • 2. FLOWS THROUGH MIXERS, CLUMPING AGENTS & CHEMICAL DISINFECTANTS ADDED • 3. CLARIFYING POOL SEPARATES LARGE PARTICLES • 4. FILTERS SEPARATE TINY PARTICLES OF DUST & DIRT • 5. CHLORINE USED TO KILL BACTERIA • 6. CLEAN WATER GOES TO WATER STORAGE TANK EPA • THE ENVIRONMENTAL PROTECTION AGENCY SETS AND ENFORCES WATER QUALITY STANDARDS FOR WASTEWATER, POLLUTION & DRINKING WATER. • FOCUSES ON PROTECTION OF SURFACE FRESHWATER RESOURCES WHAT CAN WE DO TO HELP?! • PICK UP PET WASTE • PICK UP LITTER • PLANT VEGETATION • DISPOSE OF CHEMICALS & WASTEWATER APPROPRIATELY • REDUCE AMOUNT OF WATER USED