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ZIP Code 58730 Water Quality

North Dakota · 1,406 people served · 1 water systems

A
Excellent

ZIP code 58730 is in North Dakota and is a rural community from a drinking-water-service perspective, with 1,406 people served by 1 EPA-registered public water systems. It corresponds to CROSBY.

Within ZIP code 58730, the EPA Safe Drinking Water Information System (SDWIS) records no health-based Maximum Contaminant Level (MCL) exceedances during the past five years across the 1 water system serving this postal area.

Last updated: 2026-05-18 · Source: EPA SDWIS

ZIP Code Location

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Cities in ZIP 58730

Water Systems Serving 58730

About ZIP-code water data

Postal-code level water quality data is built up from the underlying water systems — multiple ZIPs may share a single utility, and a single ZIP can span multiple utilities. For property-level information, contact the specific utility serving your address. EPA data on this page was last refreshed on 2026-05-18.

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