Lead webpage – Virginia Department of Health
https://www.vdh.virginia.gov/environmental-health/onsite-sewage-water-services-updated/organizations/lead-in-private-well-water/
https://www.vdh.virginia.gov/environmental-health/onsite-sewage-water-services-updated/organizations/lead-in-private-well-water/
https://www.epa.gov/sites/production/files/2017-08/documents/epa_lead_in_drinking_water_final_8.21.17.pdf
https://www.health.state.mn.us/communities/environment/water/docs/wells/waterquality/lead.pdf
https://www.epa.gov/ground-water-and-drinking-water/basic-information-about-lead-drinking-water
https://www.cdc.gov/healthywater/drinking/private/wells/disease/lead.html
https://www.cdc.gov/healthywater/drinking/private/wells/disease/lead.html