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

ZIP Code 65278 Water Quality & Testing Report

Renick, MO · Randolph 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 65278 (Renick, MO)?

Caution / Filtration Recommended: Tap water in ZIP code 65278 (Renick, MO) 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 CLARK PWS, 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

High

Contaminants

0

About Tap Water in ZIP Code 65278

Tap water in ZIP code 65278 (Renick, MO) is distributed by CLARK PWS (EPA ID: MO2010882), serving approximately 300 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

CLARK PWS

EPA ID: MO2010882

Water Source

Ground Water

Population Served

300 residents

County

Randolph County County, Missouri

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Lead Levels in ZIP 65278

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 65278. Contact CLARK PWS to request lead testing results.

Lead exposure risk in 65278 is rated High. EPA models estimate a 60% exposure probability based on housing and infrastructure age.

Lead Exposure Risk Rating
High
Lead Exposure Probability

EPA model estimate based on housing age and infrastructure

60%
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: Hard10 GPG · 171 mg/L

Water in ZIP 65278 is Hard (171 mg/L / 10 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

10 GPG
Hardness (PPM / mg/L)

Parts per million CaCO3

171 mg/L
Appliance Scaling Risk
High / Severe

Official EPA SDWIS Database Entry

Utility: CLARK PWS · PWSID: MO2010882

Verify on EPA.gov
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Violation History

Past 5 years — EPA SDWIS data

CLARK PWS 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
⚗️

Contaminants Detected

Contaminants with health-based violations on record

No health-based contaminant violations are on record for ZIP code 65278 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
Energy Burden

% of household income spent on energy — indicator of older infrastructure

2.66%

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

Water Quality Testing in ZIP 65278

Tap Water & Well Testing Recommendations

Residents in ZIP code 65278 served by CLARK PWS 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 65278 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 CLARK PWS 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
⚗️

NSF 58 Under-Sink RO System

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

RO System Guide →

Frequently Asked Questions — ZIP 65278 Water Quality

Is tap water safe to drink in ZIP code 65278?+
Tap water in 65278 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 65278 (Renick, MO)?+
To test water quality in ZIP 65278, 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 65278?+
Tap water in 65278 is classified as Hard with an estimated mineral hardness of 171 mg/L (10 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 65278?+
Yes. Unlike municipal systems, private wells in 65278 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 65278 tap water?+
Lead level data is not available in EPA records for 65278. Contact your utility for details.
Is there an active boil water notice in 65278?+
There are currently no active boil water advisories on record for 65278. Water treatment systems are operating within normal parameters.
Who provides tap water to 65278?+
Tap water in ZIP code 65278 is provided by CLARK PWS (EPA ID: MO2010882), serving approximately 300 residents.
What water filter should I use in 65278?+
Based on water metrics for 65278, 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 65278 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 CLARK PWS. 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 →