Water Quality in Cascade, ID (83611)
EPA violation data for public water systems serving ZIP code 83611.
No Health-Based Violations
None of the 17 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are21 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 79% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
3,329
Population
17
Water Systems
21
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (17)
Cascade City Of
All resolvedLog Cabin Inn
West Mountain Water Assn Inc
Clear Creek Station
All resolvedIdpr Lake Cascade Sp Buttercup Cg
All resolvedYwam Idaho Boise Cascade Inc
All resolvedIdpr Lake Cascade Sp Huckleberry Cg
All resolvedIdpr Lake Cascade Sp West Mountain Cg
All resolvedAlzar School Inc
Idpr Lake Cascade Sp Sugar Loaf Cg
Cougar Mountain Lodge
Usbr,Deadwood Dam Fs
Idpr Lake Cascade Sp Boulder Creek Cg
All resolvedPacker John
Middle Fork Ranch Inc (Pistol Creek)
Mountainaire Trailer Park
Idpr Poison Creek Campground
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Cascade (83611) has more violations than 79% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 21, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.