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

ZIP Code 30118 Water Quality & Testing Report

Carrollton, GA · Carroll County County · Updated for 2026

Quick EPA Verified Answer

Is Tap Water Safe to Drink in ZIP 30118 (Carrollton, GA)?

Caution / Filtration Recommended: Tap water in ZIP code 30118 (Carrollton, GA) has compliance concerns, earning an EPA Safety Grade of C (58/100) due to 0 health violation(s) and 7.0 ppb lead. While treated by Carrollton, residents are advised to use an NSF/ANSI 53 certified water filter for drinking and cooking.

Safety Score
C

Water Safety Grade

Fair — Some compliance concerns

Health Violations

0

Total Violations

19

Lead Risk

Moderate

Contaminants

0

About Tap Water in ZIP Code 30118

Tap water in ZIP code 30118 (Carrollton, GA) is distributed by Carrollton (EPA ID: GA0450002), serving approximately 25,200 residents. Based on EPA Safe Drinking Water Act compliance records, this system receives a water safety grade of C with a composite quality score of 58/100.

Water System

Carrollton

EPA ID: GA0450002

Water Source

Surface Water

Population Served

25,200 residents

County

Carroll County County, Georgia

🧪

Lead Levels in ZIP 30118

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

Lead Level: 7.0 ppb — Moderate

The 90th percentile lead level in 30118 is 7.0 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 30118 is rated Moderate. EPA models estimate a 23% exposure probability based on housing and infrastructure age.

Lead Level (90th percentile)
7.00 ppb (0.007 mg/L)
Lead Exposure Risk Rating
Moderate
Lead Exposure Probability

EPA model estimate based on housing age and infrastructure

23%
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.
🪨

Water Hardness & Mineral Content

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

Classification: Moderately Hard3.6 GPG · 61 mg/L

Water in ZIP 30118 is Moderately Hard (61 mg/L / 3.6 GPG). It contains beneficial natural minerals like calcium and magnesium without causing heavy scale accumulation.

Recommendation: A water softener is optional. Regular maintenance of hot water appliances is recommended.
Hardness (GPG)

Grains per gallon

3.6 GPG
Hardness (PPM / mg/L)

Parts per million CaCO3

61 mg/L
Appliance Scaling Risk
Low / Moderate

Official EPA SDWIS Database Entry

Utility: Carrollton · PWSID: GA0450002

Verify on EPA.gov
📋

Violation History

Past 5 years — EPA SDWIS data

Carrollton has recorded 19 violations, but none are health-based (e.g., administrative or monitoring infractions). 7 violations remain unresolved in EPA tracking records.

Total Violations (5 yr)
19
Health-Based Violations
0
Unresolved Violations
7
Boil Water Advisories
0
Compliance Risk
High

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

⚗️

Contaminants Detected

Contaminants with health-based violations on record

No health-based contaminant violations are on record for ZIP code 30118 under the Safe Drinking Water Act.

⚖ Enforcement Actions

EPA or state regulators have issued 10 enforcement actions to address compliance lapses.
🌊

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
CCR Source Classification
Surface 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 30118

Tap Water & Well Testing Recommendations

Residents in ZIP code 30118 served by Carrollton 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 Georgia Environmental Protection Division.
Certified Lab Testing: Always use an EPA-certified drinking water laboratory in GA for formal legal or real estate compliance testing.

🛡 What Should You Do? — ZIP 30118 Recommendations

  • ⚠ Use a certified NSF/ANSI 53 filter for drinking and cooking water if you have young children
  • ⚠ Never give unfiltered tap water to infants in formula — use certified bottled or filtered water
  • ⚠ Request a copy of the Consumer Confidence Report to see what was detected and when
  • ⚠ Call the EPA Safe Drinking Water Hotline: 1-800-426-4791

Recommended Water Treatment Systems:

🏺

NSF 53 Lead Pitcher Filter

Specifically certified to reduce lead and copper at the tap.

Lead Filter Guide →
⚗️

NSF 58 Under-Sink RO System

Advanced filtration for PFAS, fluoride, nitrates, and organic chemicals.

RO System Guide →

Frequently Asked Questions — ZIP 30118 Water Quality

Is tap water safe to drink in ZIP code 30118?+
Tap water in 30118 (Carrollton, GA) meets major standards but has a grade of C due to minor past violations. Vulnerable populations may want to use a certified filter as a precaution.
How do I get my water tested in ZIP 30118 (Carrollton, GA)?+
To test water quality in ZIP 30118, you can order a certified drinking water test kit or send water samples to an EPA/NELAP certified laboratory in GA. Certified testing checks for lead, coliform bacteria, nitrates, hardness, and PFAS that standard test strips miss. Contact Georgia Environmental Protection Division for a list of certified regional labs.
How hard is the tap water in 30118?+
Tap water in 30118 is classified as Moderately Hard with an estimated mineral hardness of 61 mg/L (3.6 GPG). A water softener is optional. Regular maintenance of hot water appliances is recommended.
Should I test private well water in 30118?+
Yes. Unlike municipal systems, private wells in 30118 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 30118 tap water?+
The 90th percentile lead level in 30118 is 7.0 ppb. The EPA action level is 15 ppb. This is below the EPA action level.
Is there an active boil water notice in 30118?+
There are currently no active boil water advisories on record for 30118. Water treatment systems are operating within normal parameters.
Who provides tap water to 30118?+
Tap water in ZIP code 30118 is provided by Carrollton (EPA ID: GA0450002), serving approximately 25,200 residents.
What water filter should I use in 30118?+
Based on water metrics for 30118, 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 30118 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 Carrollton. 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 →