Cascade, IA 52033

2 water systems • 2,841 residents

Moderate water quality - consider filtration

C

Score: 59/100

Graded on EPA violations, contaminants, severity, compliance, and enforcement history. See methodology.

Data updated June 2026 • Sources: EPA ECHO and EPA Envirofacts

16

Contaminants Detected

108

Violations on Record

2

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count9 / 25
Violation History18 / 25
Contaminant Severity24 / 25
System Compliance0 / 15
Enforcement History0 / 10
Total Score59%

59 / 100 points

Recommended Water Filters

  • ✓Point-of-Use Carbon Filter (NSF-certified for lead)
  • ✓Reverse Osmosis or Ion Exchange Filter
  • ✓Ultraviolet (UV) Purification
  • ✓Activated Carbon Filter (disinfection byproducts)
Compare filter types in our Filter Guide →

Consult a water quality specialist for personalized recommendations.

Cascade vs IA & National Average

Detected Contaminants

16 contaminants detected across water systems serving this ZIP code

ContaminantCategory
NitrateAgricultural
ArsenicHeavy Metal
BariumHeavy Metal
CadmiumHeavy Metal
ChromiumHeavy Metal
Lead and Copper RuleHeavy Metal
MercuryHeavy Metal
SeleniumHeavy Metal
FluorideInorganic
Coliform (TCR)Microorganism
2,4-DOther
ChlorineOther
Consumer Confidence RuleOther
Groundwater RuleOther
Combined Radium (-226 and -228)Radiological
Gross Alpha, Excl. Radon and URadiological

Water System Information

Systems Serving This ZIP:
CASCADE MUNICIPAL WATER SUPPLY, TABLE MOUND PARK
Population Served:
2,841
Systems With Violations:
2 of 2
Major Violations:
40
Enforcement Actions:
107

Nearby Areas

52032

Bernard • 2.6 mi away

A

52001

Dubuque • 6.8 mi away

D

52045

Epworth • 6.8 mi away

C

52068

Peosta • 6.9 mi away

C

52040

Dyersville • 7.9 mi away

F

52046

Farley • 8.9 mi away

C

Frequently Asked Questions

What does the grade mean?

Our A–F grade ranks this ZIP code's water quality against every other analyzed ZIP in the country, based on EPA data. A = among the best, F = among the most troubled.

Is my tap water safe to drink?

Water systems regulated by the EPA must comply with Safe Drinking Water Act standards. However, if you're concerned about water quality, consider a water filter appropriate for your contaminants.

How often is the data updated?

We update our data quarterly with the latest EPA ECHO and Envirofacts data. Historical violations are tracked to identify patterns.

What filters do you recommend?

Filter recommendations are based on detected contaminants in your area. See our Filter Guide for detailed information about different filter types.