Legend (MDA_Fall_Fert_Restriction/DWSMA2026)

DWSMA Low Vulnerability Exemption (2026) (0) Drinking Water Supply Management Areas (DWSMAs) with Nitrate-N ≥5.4 mg/L (2026) (1) Drinking Water Supply Management Areas (DWSMAs) with Nitrate-N ≥5.4 mg/L (2026) (2)