Click below to download a summary file of the tributary data on ErieStat.
Tributary monitoring data was used by the USGS, NCWQR, USEPA and ECCC to calculate spring and annual phosphorus loads. Annual loads were estimated at the river mouth using tributary monitoring and municipal discharge data from NCWQR, OEPA, MDEQ, USEPA, USGS, ECCC, and OMECC.