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

ZIP Code 64802 Water Quality & Testing Report

Joplin, MO · Jasper County County · Updated for 2026

Sahajul HaqueCompiled & verified by Sahajul Haque from official EPA SDWIS records
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 64802 (Joplin, MO)?

Yes, tap water in ZIP code 64802 (Joplin, MO) is safe to drink under EPA Safe Drinking Water Act standards. Supplied by Mo American Joplin, the area earns an EPA Safety Grade of B (81/100) with 2 health violations, 5.0 ppb lead, and hard (125 mg/L / 7.3 GPG) water.

Safety Score
B

Water Safety Grade

Good — Minor issues on record

Health Violations

2

Total Violations

6

Lead Risk

N/A

Contaminants

1

About Tap Water in ZIP Code 64802

Tap water in ZIP code 64802 (Joplin, MO) is distributed by Mo American Joplin (EPA ID: MO5010413), serving approximately 73,728 residents. Based on EPA Safe Drinking Water Act compliance records, this system receives a water safety grade of B with a composite quality score of 81/100.

Water System

Mo American Joplin

EPA ID: MO5010413

Water Source

Surface Water

Population Served

73,728 residents

County

Jasper County County, Missouri

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Lead Levels in ZIP 64802

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

Lead Level: 5.0 ppb — Very Low

The 90th percentile lead level in 64802 is 5.0 ppb. This meets the EPA action level of 15 ppb. Health experts recommend a target of 0 ppb for optimal safety.
Lead Level (90th percentile)
5.00 ppb (0.005 mg/L)
Lead (Consumer Confidence Report)

From annual CCR filing

5 ppb
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: Hard7.3 GPG · 125 mg/L

Water in ZIP 64802 is Hard (125 mg/L / 7.3 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

7.3 GPG
Hardness (PPM / mg/L)

Parts per million CaCO3

125 mg/L
Appliance Scaling Risk
High / Severe

Interactive Water Safety & Filter Matcher

Personalized for ZIP 64802 (Joplin, MO)

Free Tool

Official EPA SDWIS Database Entry

Utility: Mo American Joplin · PWSID: MO5010413

Verify on EPA.gov
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Violation History

Past 5 years — EPA SDWIS data

Mo American Joplin has recorded 2 health-based violations out of 6 total violations over the past 5 years.

Total Violations (5 yr)
6
Health-Based Violations
2
Unresolved Violations
0
Boil Water Advisories
0
Compliance Risk
High

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

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Contaminants Detected

Contaminants with health-based violations on record

EPA records identify 1 contaminant with health-based violations in the past 5 years: Contaminant 1009.

Contaminant 1009

⚖ Enforcement Actions

EPA or state regulators have issued 1 enforcement action to address compliance lapses.
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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 64802

Tap Water & Well Testing Recommendations

Residents in ZIP code 64802 served by Mo American Joplin 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 Missouri Department of Natural Resources.
Certified Lab Testing: Always use an EPA-certified drinking water laboratory in MO for formal legal or real estate compliance testing.

🛡 What Should You Do? — ZIP 64802 Recommendations

  • ✓ Run cold water for 30 seconds each morning before use — especially if pipes are old
  • ✓ Request your annual Consumer Confidence Report from Mo American Joplin
  • ✓ If your home was built before 1986, consider testing your own tap for lead
  • ✓ Use a pitcher filter (NSF/ANSI 42 certified) for improved taste

Recommended Taste & Safety Filter:

🚰

NSF/ANSI 53 Certified Pitcher Filter

Best for removing aesthetic chlorine, odors, and low-level heavy metals.

Filter Selection Guide →

Frequently Asked Questions — ZIP 64802 Water Quality

Is tap water safe to drink in ZIP code 64802?+
Yes — tap water in 64802 (Joplin, MO) meets EPA standards with a water safety grade of B. No health-based violations are on record in the past 5 years.
How do I get my water tested in ZIP 64802 (Joplin, MO)?+
To test water quality in ZIP 64802, you can order a certified drinking water test kit or send water samples to an EPA/NELAP certified laboratory in MO. Certified testing checks for lead, coliform bacteria, nitrates, hardness, and PFAS that standard test strips miss. Contact Missouri Department of Natural Resources for a list of certified regional labs.
How hard is the tap water in 64802?+
Tap water in 64802 is classified as Hard with an estimated mineral hardness of 125 mg/L (7.3 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 64802?+
Yes. Unlike municipal systems, private wells in 64802 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 64802 tap water?+
The 90th percentile lead level in 64802 is 5.0 ppb. The EPA action level is 15 ppb. This is below the EPA action level.
Is there an active boil water notice in 64802?+
There are currently no active boil water advisories on record for 64802. Water treatment systems are operating within normal parameters.
Who provides tap water to 64802?+
Tap water in ZIP code 64802 is provided by Mo American Joplin (EPA ID: MO5010413), serving approximately 73,728 residents.
What water filter should I use in 64802?+
Based on water metrics for 64802, we recommend Reverse Osmosis (PFAS & Lead). Look for certifications such as NSF/ANSI 53 (Chemical Contaminants), NSF/ANSI 42 (Aesthetic Effects).

Data Sources & Methodology

Water quality data for ZIP code 64802 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 Mo American Joplin. 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 →