Skip to main content
Official EPA SDWIS Verified ReportWater Quality & Testing GuideStatus: Normal Operations

ZIP Code 55601 Water Quality & Testing Report

Beaver Bay, MN ยท Lake County County ยท Updated for 2026

Quick EPA Verified Answer

Is Tap Water Safe to Drink in ZIP 55601 (Beaver Bay, MN)?

Caution / Filtration Recommended: Tap water in ZIP code 55601 (Beaver Bay, MN) has compliance concerns, earning an EPA Safety Grade of D (52/100) due to 0 health violation(s) and 13.0 ppb lead. While treated by Silver Bay, residents are advised to use an NSF/ANSI 53 certified water filter for drinking and cooking.

Safety Score
D

Water Safety Grade

Poor โ€” Multiple violations recorded

Health Violations

0

Total Violations

4

Lead Risk

High

Contaminants

0

โš 

Active Water Quality Issues Detected

EPA records show 2 unresolved violations. Contact Silver Bay for current status.

About Tap Water in ZIP Code 55601

Tap water in ZIP code 55601 (Beaver Bay, MN) is distributed by Silver Bay (EPA ID: MN1380003), serving approximately 1,826 residents. Based on EPA Safe Drinking Water Act compliance records, this system receives a water safety grade of D with a composite quality score of 52/100.

Water System

Silver Bay

EPA ID: MN1380003

Water Source

Surface Water

Population Served

1,826 residents

County

Lake County County, Minnesota

๐Ÿงช

Lead Levels in ZIP 55601

EPA action level: 15 ppb | Public health goal: 0 ppb

Lead Level: 13.0 ppb โ€” Moderate

The 90th percentile lead level in 55601 is 13.0 ppb. This is below the EPA action level of 15 ppb, but above ideal health goals. Consider a certified lead-reducing filter.

Lead exposure risk in 55601 is rated High. EPA models estimate a 62% exposure probability based on housing and infrastructure age.

Lead Level (90th percentile)
13.00 ppb (0.013 mg/L)
Lead Exposure Risk Rating
High
Lead Exposure Probability

EPA model estimate based on housing age and infrastructure

62%
Note: Lead levels above are the 90th percentile from EPA monitoring โ€” meaning 90% of samples were at or below this level. Even "undetected" tap water lead doesn't account for lead leaching from home plumbing. If your home was built before 1986, individual tap testing is recommended.
๐Ÿชจ

Water Hardness & Mineral Content

Grains per gallon (GPG) & Parts per million (PPM / mg/L)

Classification: Hard7.8 GPG ยท 134 mg/L

Water in ZIP 55601 is Hard (134 mg/L / 7.8 GPG). Residents may notice white mineral spots on glassware, reduced soap efficiency, and mineral scale on faucets and showerheads.

Recommendation: An ion-exchange water softener or descaler is recommended to prolong the life of water heaters, dishwashers, and plumbing.
Hardness (GPG)

Grains per gallon

7.8 GPG
Hardness (PPM / mg/L)

Parts per million CaCO3

134 mg/L
Appliance Scaling Risk
High / Severe

Official EPA SDWIS Database Entry

Utility: Silver Bay ยท PWSID: MN1380003

Verify on EPA.gov
๐Ÿ“‹

Violation History

Past 5 years โ€” EPA SDWIS data

Silver Bay has recorded 4 violations, but none are health-based (e.g., administrative or monitoring infractions). 2 violations remain unresolved in EPA tracking records.

Total Violations (5 yr)
4
Health-Based Violations
0
Unresolved Violations
2
Boil Water Advisories
0
Compliance Risk
Moderate

Regulatory compliance risk for this utility is rated Moderate based on past reporting and enforcement records.

โš—๏ธ

Contaminants Detected

Contaminants with health-based violations on record

No health-based contaminant violations are on record for ZIP code 55601 under the Safe Drinking Water Act.

โš– Enforcement Actions

EPA or state regulators have issued 6 enforcement actions to address compliance lapses.
๐ŸŒŠ

Water Source & Environmental Factors

Surface Water

This system draws water from lakes, rivers, or reservoirs. Surface water is treated to remove sediment, microorganisms, and chemical contaminants before reaching taps.

Water Source Type
Surface Water
EPA Radon Zone

Moderate potential

Zone 2
Energy Burden

% of household income spent on energy โ€” indicator of older infrastructure

3.3%

EPA Radon Zone 2 โ€” moderate radon potential. The EPA recommends testing your home regardless of zone designation.

Water Quality Testing in ZIP 55601

Tap Water & Well Testing Recommendations

Residents in ZIP code 55601 served by Silver Bay can test tap water or private well systems to verify water purity. Testing detects hidden contaminants before they impact family health.

Tap Water Testing Steps

  • 1.Conduct a certified lead check if your home was constructed before 1986.
  • 2.Use certified lab testing kits rather than uncalibrated test strips for regulated compliance.
  • 3.Sample water from both your kitchen faucet and water heater to compare line purity.

Private Well Testing Steps

  • โ€ขTest for Coliform bacteria and Nitrates annually.
  • โ€ขTest for heavy metals, radon, and PFAS every 3 years.
  • โ€ขSend samples to a state-certified drinking water laboratory recognized by Minnesota Department of Health.
Certified Lab Testing: Always use an EPA-certified drinking water laboratory in MN for formal legal or real estate compliance testing.

๐Ÿ›ก What Should You Do? โ€” ZIP 55601 Recommendations

  • ๐Ÿšจ Install a certified NSF/ANSI 53 or 58 (reverse osmosis) filter immediately for drinking and cooking
  • ๐Ÿšจ Do not give unfiltered water to children, pregnant women, or immunocompromised individuals
  • ๐Ÿšจ Contact Silver Bay to request the current violation status and corrective action plan
  • ๐Ÿšจ Report concerns to your state environmental agency or call the EPA hotline: 1-800-426-4791
  • ๐Ÿšจ Consider having your home's tap water independently tested by a certified lab

Recommended Water Treatment Systems:

REQUIRED FOR SAFETY
๐Ÿบ

NSF 53 Lead Pitcher Filter

Certified to remove lead. Recommended for immediate protection.

Lead Filter Guide โ†’
STRONGLY RECOMMENDED
โš—๏ธ

NSF 58 Under-Sink RO System

Reverse Osmosis system certified to remove PFAS, heavy metals, and viruses.

RO System Guide โ†’

Frequently Asked Questions โ€” ZIP 55601 Water Quality

Is tap water safe to drink in ZIP code 55601?+
Tap water in 55601 has a below-average safety grade of D due to compliance issues. We recommend using a certified water filter for drinking and cooking.
How do I get my water tested in ZIP 55601 (Beaver Bay, MN)?+
To test water quality in ZIP 55601, you can order a certified drinking water test kit or send water samples to an EPA/NELAP certified laboratory in MN. Certified testing checks for lead, coliform bacteria, nitrates, hardness, and PFAS that standard test strips miss. Contact Minnesota Department of Health for a list of certified regional labs.
How hard is the tap water in 55601?+
Tap water in 55601 is classified as Hard with an estimated mineral hardness of 134 mg/L (7.8 GPG). An ion-exchange water softener or descaler is recommended to prolong the life of water heaters, dishwashers, and plumbing.
Should I test private well water in 55601?+
Yes. Unlike municipal systems, private wells in 55601 are not regulated by the EPA or local utilities. Private well owners should test their water annually for coliform bacteria and nitrates, and every 3 to 5 years for heavy metals (lead, arsenic) and volatile organic compounds.
What is the lead level in 55601 tap water?+
The 90th percentile lead level in 55601 is 13.0 ppb. The EPA action level is 15 ppb. This is below the EPA action level.
Is there an active boil water notice in 55601?+
There are currently no active boil water advisories on record for 55601. Water treatment systems are operating within normal parameters.
Who provides tap water to 55601?+
Tap water in ZIP code 55601 is provided by Silver Bay (EPA ID: MN1380003), serving approximately 1,826 residents.
What water filter should I use in 55601?+
Based on water metrics for 55601, we recommend Lead & Microplastic Filter. Look for certifications such as NSF/ANSI 53 (Lead Reduction), NSF/ANSI 42 (Particulate/Taste).

Data Sources & Methodology

Water quality data for ZIP code 55601 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by Silver Bay. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data โ†’