Related by context. Frequent words. (Click for all words.) 51 cesspools 50 septic systems 47 septic tanks 45 wastewater discharge 44 Superfund sites 43 storage tanks 43 sewage spills 42 landfills 41 lagoons 41 dairy farms 41 watersheds 41 Landfills 41 dairies 40 impoundments 40 dumpsite 40 Clean Water Act 39 hog farms 39 coal mines 38 wastewater treatment 38 wastewater 38 apartment complexes 37 Dumpsters 37 boat ramps 37 sewage overflows 37 incinerators 37 boilers 37 hazardous waste 37 effluent 37 sewage treatment 37 landfill 37 fecal coliform 37 contaminants 37 retention ponds 37 sanitary landfill 36 farms 36 dumpsters 36 waterways 36 banquet halls 36 freshwater lakes 36 dwellings 36 sewer pipes 36 businesses 36 establishments 36 untreated sewage 36 landholdings 36 pollutants 36 storm drains 36 pollutant 36 sewer overflows 36 reservoirs 36 dams 36 waste repository 36 outfall 36 fishing fleets 36 shellfishing 36 septic 35 beaches 35 discharges 35 polluting 35 waste haulers 35 ponds 35 daycare centers 35 contaminated groundwater 35 trash haulers 35 schools 35 slaughterhouses 35 refineries 35 residences 35 suspended solids 35 Environmental Quality 35 swimming pools 35 CAFOs 35 wading pools 35 trash receptacles 35 particulates 35 restaurants 35 tailings ponds 35 polluters 35 Water Quality 35 supermarket chains 35 kennels 34 pig farms 34 containers 34 pools 34 coal ash 34 sewage disposal 34 eateries 34 coal fired 34 Wastewater Treatment Plant 34 polluting industries 34 harmful pollutants 34 wetlands 34 stormwater runoff 34 contaminated soil 34 DEQ 34 Environmental Protection 34 plants 34 garment factories 34 parks 34 Safe Drinking Water 34 EPA