{"ward":"19","name":"Beaches-East York","segments":1964,"km":206.3,"lead_era_km":164.7,"lead_era_pct":79.8,"median_year":1922,"rank":2,"rule":"Construction year before 1955. The City of Toronto states lead water service pipes affect homes built before the mid-1950s. This flag marks pipe vintages from that era, i.e. areas where lead service connections are more likely nearby. It is an age-based inference, not a measurement of lead in these pipes."}