Fig 1.
Location of the study area.
Fig 2.
Regional groundwater environment risk assessment procedure.
Fig 3.
Exposure and response of risk Sources, Receptors, and Endpoints in the regional groundwater conceptual models.
Table 1.
The Receptor ranks in the study area.
Table 2.
Exposure and response filters of risk Sources, Receptors, and Endpoints.
Fig 4.
Location of groundwater monitoring points.
Fig 5.
Distribution of the chemical enterprises in the study area.
Fig 6.
Risk source normalization in the study area.
Table 3.
Sources of risk in the Lower Liao River.
Fig 7.
Groundwater vulnerability index(GVI) in the study area.
Fig 8.
Comprehensive evaluation of groundwater quality in the study area.
Table 4.
The groundwater supply status of the study area.
Fig 9.
Regional Groundwater Environment Risk assessment RRR in the study area.
Table 5.
Regional Groundwater Environment Risk assessment RRR in the study area.
Fig 10.
Uncertainty of probability distribution of Monte Carlo relative risk value calculations.
Table 6.
The relative risk value calculations for representative points.
Fig 11.
Sensitivity analyses on factors of relative risk models for representative points in Xinmin.
DI, Relative groundwater vulnerability index; GEI, Groundwater exploitation intensity; DD, Drainage density; GS, groundwater supply; SEI, Sewage emission intensity; DWI, Dangerous waste intensity; CED, Chemical enterprise density; GQ, groundwater quality; FP, Forest proportion; AP, Agriculture proportion.