Stormwater Management: New Berlin vs Waukesha
How do stormwater management rules compare between New Berlin, WI and Waukesha, WI?
New Berlin and Waukesha have similar restriction levels.
New Berlin, WI
Waukesha County
Wisconsin's NR 151 sets statewide performance standards for construction site and post-construction stormwater runoff. DNR administers WPDES permits, and local programs must meet or exceed state minimums.
View full New Berlin rules →Waukesha, WI
Waukesha County
Wisconsin's NR 151 sets statewide performance standards for construction site and post-construction stormwater runoff. DNR administers WPDES permits, and local programs must meet or exceed state minimums.
View full Waukesha rules →Key Facts Comparison
| Fact | New Berlin | Waukesha |
|---|---|---|
| Code | NR 151 / Wis. Stat. 281.33 | NR 151 / Wis. Stat. 281.33 |
| Permit threshold | 1+ acre disturbed | 1+ acre disturbed |
| TSS reduction | 80 percent new sites | 80 percent new sites |
| Max forfeiture | $10,000 per day | $10,000 per day |
Highlighted rows indicate differences between cities.
New Berlin FAQ
When is a stormwater permit required in Wisconsin?
Construction projects disturbing one or more acres of land must obtain a WPDES construction site general permit from the DNR before earth-disturbing work begins.
Do these rules apply on private property?
Yes. NR 151 standards apply to construction and post-construction sites regardless of ownership when acreage thresholds are met or local MS4 ordinances apply.
Can my city require stricter stormwater controls?
Yes. Local governments may adopt stricter standards, but they cannot fall below the NR 151 minimum performance standards established by the DNR.
Waukesha FAQ
When is a stormwater permit required in Wisconsin?
Construction projects disturbing one or more acres of land must obtain a WPDES construction site general permit from the DNR before earth-disturbing work begins.
Do these rules apply on private property?
Yes. NR 151 standards apply to construction and post-construction sites regardless of ownership when acreage thresholds are met or local MS4 ordinances apply.
Can my city require stricter stormwater controls?
Yes. Local governments may adopt stricter standards, but they cannot fall below the NR 151 minimum performance standards established by the DNR.
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