Related by context. Frequent words. (Click for all words.) 60 detention basins 60 sewage effluent 60 groundwater basin 60 underground aquifer 58 groundwater 58 evaporation ponds 58 retention basins 57 Water Reclamation Facility 57 treated effluent 56 aquifer 56 water 56 stormwater retention 56 Mokelumne 56 sewage lagoon 56 outfall 54 Olivenhain 54 decomposed granite 54 artesian wells 54 wastewater 54 polluted groundwater 54 wellfield 54 Reservoir 54 effluent 53 groundwater recharge 53 Mokelumne River 53 Alafia River 53 Creek tributary 53 pumphouse 53 EBMUD 53 Water Treatment Plant 53 diked 52 sewage 52 aquifer recharge 52 Floridan Aquifer 52 drainage basin 52 aqueduct 52 ocean outfall 52 aquifers 52 unnamed tributary 52 reservoir 52 sumps 52 retention ponds 51 drainage canal 51 streambeds 51 groundwater basins 51 Pueblo Reservoir 51 sanitary sewage 51 lagoons 51 sewer mains 51 groundwater extraction 51 brackish water 51 clarifiers 51 watercourse 51 underground aquifers 51 Lake Wohlford 51 leachate 51 Lake Lavon 51 Tuolumne River 50 dredged material 50 ponds 50 headworks 50 wastewater treatment 50 Putah Creek 50 outfalls 50 Effluent 50 Treatment Plant 50 contaminated groundwater 50 Oroville Dam 50 streambed 50 drainage basins 50 riverbed 50 storm drains 50 rainwater runoff 50 stormwater runoff 50 tailings impoundment 49 Millerton Lake 49 basin 49 Hetch Hetchy 49 Raw sewage 49 Aliso Creek 49 Wastewater Treatment Plant 49 Wastewater Treatment Facility 49 Nacimiento 49 sediment 49 sewer pipes 49 arroyo 49 stormwater 49 Suisun Marsh 49 Pajaro River 49 creek 49 flume 49 Carquinez Strait 49 drainage 49 polluted runoff 49 Edwards Aquifer 48 Friant Dam 48 Avra Valley 48 creekbed 48 reservoirs 48 lagoon 48 groundwater pumping