Bachelor's · West Lafayette, Indiana

Is Environmental/Environmental Health Engineering at Purdue University-Main Campus worth it?

Low confidence Low confidence: fewer than 40 graduates behind the earnings figures.

The verdict · all families, in-state, half paid with loans

Pays back fast: graduates typically recover the cost in about 2 years.

Earnings 1 year after graduating: $78,737; Treasury AY2020-21, AY2021-22 pooled earnings cohort measured in CY2022, CY2023, inflation adjusted to 2024 dollars
Earnings 4 years after graduating: $84,609; Treasury AY2017-2018, AY2018-2019 pooled earnings cohort measured in CY2022, CY2023, inflation adjusted to 2024 dollars
Typical federal debt at graduation: $18,750; NSLDS pooled AY2022-23, AY2023-24 cohort
Net cost to graduate, all families: $63k (likely $63k – $79k); AcadYr 2024-25, reported in IPEDS DCY2025-26
Earnings bump, year 4: $47k a year vs high-school graduates aged 25–34 in IN; 2023 ACS 5-year pooled, adjusted to 2024 dollars
Payback: 2 years (likely 1.5–2.8); Bump vs net cost plus loan interest
10-year net return: $225k (likely $103k – $354k); Today's dollars
20-year net return: $737k (likely $492k – $1.02M); Today's dollars
Odds of finishing (school-wide): 84%; Fall 2019 or AcadYr 2019-20 cohort (differs by institutional calendar), reported in IPEDS DCY2025-26