| Environmental Monitoring and Evaluation (51400) | $41,251,696$40,930,642
 | $40,393,808$41,374,407
 | 
| Environmental Monitoring and Compliance for Highway Projects (51408) | FY2021 $9,045,617$8,980,886
 | FY2022 $7,202,424$8,428,674
 | 
| Environmental Monitoring Program Management and Direction (51409) | FY2021 $3,440,377$3,433,626
 | FY2022 $3,524,370$3,496,386
 | 
| Municipal Separate Storm Sewer System (MS4) Compliance Activities (51410) | FY2021 $28,765,702$28,516,130
 | FY2022 $29,667,014$29,449,347
 | 
| Fund Sources: |  |  | 
| Commonwealth Transportation | FY2021 $41,251,696$40,930,642
 | FY2022 $40,393,808$41,374,407
 |