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Official EPA SDWIS Verified ReportWater Quality & Testing GuideHistorical Record: No Recorded SDWIS Violations

ZIP Code 48830 Water Quality & Testing Report

Elm Hall, MI · Gratiot County County · Updated for 2026

Public Health & Medical Notice: Drinking water quality data on this page reflects historical compliance records submitted under the Safe Drinking Water Act. This information does not constitute medical advice or a real-time safety guarantee. If you are pregnant, nursing, preparing infant formula, or immunocompromised, consult a healthcare provider. Boiling water kills biological pathogens, but does NOT remove chemical contaminants like lead, arsenic, or PFAS.
Quick EPA Verified Answer

Is Tap Water Safe to Drink in ZIP 48830 (Elm Hall, MI)?

Caution / Filtration Recommended: Tap water in ZIP code 48830 (Elm Hall, MI) has compliance concerns, earning an EPA Safety Grade of D (53/100) due to 0 health violation(s) and 0 ppb lead. While treated by GREAT LAKES ADVENTIST ACADEMY, residents are advised to use an NSF/ANSI 53 certified water filter for drinking and cooking.

Safety Score
D

Water Safety Grade

Poor — Multiple violations recorded

Health Violations

0

Total Violations

0

Lead Risk

N/A

Contaminants

0

About Tap Water in ZIP Code 48830

Tap water in ZIP code 48830 (Elm Hall, MI) is distributed by GREAT LAKES ADVENTIST ACADEMY (EPA ID: MI0002839), serving approximately 360 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 53/100.

Water System

GREAT LAKES ADVENTIST ACADEMY

EPA ID: MI0002839

Water Source

Ground Water

Population Served

360 residents

County

Gratiot County County, Michigan

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Lead Levels in ZIP 48830

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

Lead Data Not Available

Lead testing data was not found in EPA records for ZIP code 48830. Contact GREAT LAKES ADVENTIST ACADEMY to request lead testing results.
Lead Exposure Risk Rating
Unknown
Note: Lead levels above are the 90th percentile from EPA monitoring — 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.
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Water Hardness & Mineral Content

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

Classification: Hard9.5 GPG · 163 mg/L

Water in ZIP 48830 is Hard (163 mg/L / 9.5 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

9.5 GPG
Hardness (PPM / mg/L)

Parts per million CaCO3

163 mg/L
Appliance Scaling Risk
High / Severe

Official EPA SDWIS Database Entry

Utility: GREAT LAKES ADVENTIST ACADEMY · PWSID: MI0002839

Verify on EPA.gov
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Violation History

Past 5 years — EPA SDWIS data

GREAT LAKES ADVENTIST ACADEMY has recorded zero violations in the EPA compliance database over the past 5 years.

Total Violations (5 yr)
0
Health-Based Violations
0
Unresolved Violations
0
Boil Water Advisories
0
Compliance Risk
Unknown
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Contaminants Detected

Contaminants with health-based violations on record

No health-based contaminant violations are on record for ZIP code 48830 under the Safe Drinking Water Act.

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Water Source & Environmental Factors

Ground Water

This system draws water from underground aquifers. Groundwater is naturally filtered through soil and rock, but can still contain naturally occurring minerals like arsenic, radium, or nitrates.

Water Source Type
Ground Water
EPA Radon Zone

Moderate potential

Zone 2

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

Water Quality Testing in ZIP 48830

Tap Water & Well Testing Recommendations

Residents in ZIP code 48830 served by GREAT LAKES ADVENTIST ACADEMY 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

  • •Test for Coliform bacteria and Nitrates annually.
  • •Test for heavy metals, radon, and PFAS every 3 years.
  • •Send samples to a state-certified drinking water laboratory recognized by Michigan Department of Environment, Great Lakes, and Energy.
Certified Lab Testing: Always use an EPA-certified drinking water laboratory in MI for formal legal or real estate compliance testing.

🛡 What Should You Do? — ZIP 48830 Recommendations

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

Recommended Water Treatment Systems:

REQUIRED FOR SAFETY
🏺

NSF 53 Lead Pitcher Filter

Certified to remove lead. Recommended for immediate protection.

Lead Filter Guide →
STRONGLY RECOMMENDED
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NSF 58 Under-Sink RO System

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

RO System Guide →

Frequently Asked Questions — ZIP 48830 Water Quality

Is tap water safe to drink in ZIP code 48830?+
Tap water in 48830 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 48830 (Elm Hall, MI)?+
To test water quality in ZIP 48830, you can order a certified drinking water test kit or send water samples to an EPA/NELAP certified laboratory in MI. Certified testing checks for lead, coliform bacteria, nitrates, hardness, and PFAS that standard test strips miss. Contact Michigan Department of Environment, Great Lakes, and Energy for a list of certified regional labs.
How hard is the tap water in 48830?+
Tap water in 48830 is classified as Hard with an estimated mineral hardness of 163 mg/L (9.5 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 48830?+
Yes. Unlike municipal systems, private wells in 48830 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 48830 tap water?+
Lead level data is not available in EPA records for 48830. Contact your utility for details.
Is there an active boil water notice in 48830?+
There are currently no active boil water advisories on record for 48830. Water treatment systems are operating within normal parameters.
Who provides tap water to 48830?+
Tap water in ZIP code 48830 is provided by GREAT LAKES ADVENTIST ACADEMY (EPA ID: MI0002839), serving approximately 360 residents.
What water filter should I use in 48830?+
Based on water metrics for 48830, we recommend None / Standard Pitcher. Look for certifications such as NSF/ANSI 42 (Chlorine, Taste & Odor).

Data Sources & Methodology

Water quality data for ZIP code 48830 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 GREAT LAKES ADVENTIST ACADEMY. 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 →