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South Bend, IN Environmental Rules: Erosion Control (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Permit Trigger
One acre graded
Local Rule
City Code Ch. 17, Art. 12
Drainage Authority
County Drainage Board
Drainage Law
IC 36-9-27
Neighbor Runoff
Cannot divert onto neighbors

Summary

Grading and earthwork in South Bend answer to two systems. A site of one acre or more needs a site development permit and stormwater plan under City Code Chapter 17, Article 12, and altering a regulated drain requires St. Joseph County Drainage Board approval under IC 36-9-27.

The CSGP applies to all "construction activity" that results in the disturbances of one (1) acre or more of land area.

Source: South Bend Municipal CodeView official code

Full Breakdown

Moving earth in South Bend triggers the city's construction stormwater rule when it disturbs one acre or more, requiring a site development permit and a Stormwater Pollution Prevention Plan under Chapter 17, Article 12, plus coverage under the Indiana Construction Stormwater General Permit. Separately, the St. Joseph County Surveyor and County Drainage Board administer regulated drains under Indiana's county drainage law, IC 36-9-27, so a property owner cannot fill, obstruct, or reroute a regulated drain without Drainage Board approval. Grading that concentrates runoff onto a neighboring lot creates civil liability under Indiana drainage law. Within the MS4 area, the city's post-construction detention and drainage standards apply on top of the state permit.

Violations & Fines

Grading one acre or more without a site development permit, or altering, filling, or obstructing a regulated drain without County Drainage Board approval, brings stop-work orders, city and IDEM enforcement, and civil liability for resulting drainage damage.

Frequently Asked Questions

Does grading my lot need a permit in South Bend?
If the work disturbs one acre or more, yes, it needs a site development permit and stormwater plan under Chapter 17, Article 12. Altering a regulated drain also needs County Drainage Board approval.
Can I regrade my lot to drain toward a neighbor?
No. Indiana drainage law bars diverting concentrated runoff onto adjoining property, and doing so creates civil liability for the damage caused.

Sources & Official References

Other rules in South Bend

Parking Rules: Overnight ParkingSome RestrictionsParking Rules: Street Parking LimitsSome RestrictionsFlood ZonesHeavy RestrictionsFlood Elevation RequirementsSome RestrictionsStormwater ManagementSome RestrictionsNoise Ordinances: Decibel LimitsSome RestrictionsNoise Ordinances: Barking DogsSome RestrictionsParking Rules: Snow Removal Parking RulesSignificant RestrictionsParking Rules: Loading ZonesSome Restrictions

All South Bend rules

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