ZIP Code 67663 Water Quality & Testing Report
Plainville, KS · Rooks County County · Updated for 2026
Compiled & verified by Sahajul Haque from official EPA SDWIS recordsIs Tap Water Safe to Drink in ZIP 67663 (Plainville, KS)?
Caution / Filtration Recommended: Tap water in ZIP code 67663 (Plainville, KS) has compliance concerns, earning an EPA Safety Grade of F (33/100) due to 17 health violation(s) and 4.0 ppb lead. While treated by Rooks Company Rwd 3, residents are advised to use an NSF/ANSI 53 certified water filter for drinking and cooking.
Water Safety Grade
Failing — Serious compliance issues
Health Violations
17
Total Violations
19
Lead Risk
High
Contaminants
2
Active Water Quality Issues Detected
EPA records show 8 unresolved violations. Contact Rooks Company Rwd 3 for current status.
About Tap Water in ZIP Code 67663
Tap water in ZIP code 67663 (Plainville, KS) is distributed by Rooks Company Rwd 3 (EPA ID: KS2016308), serving approximately 380 residents. Based on EPA Safe Drinking Water Act compliance records, this system receives a water safety grade of F with a composite quality score of 33/100.
Water System
Rooks Company Rwd 3
EPA ID: KS2016308
Water Source
Ground Water
Population Served
380 residents
County
Rooks County County, Kansas
Lead Levels in ZIP 67663
EPA action level: 15 ppb | Public health goal: 0 ppb
Lead Level: 4.0 ppb — Very Low
Lead exposure risk in 67663 is rated High. EPA models estimate a 63% exposure probability based on housing and infrastructure age.
EPA model estimate based on housing age and infrastructure
Water Hardness & Mineral Content
Grains per gallon (GPG) & Parts per million (PPM / mg/L)
Water in ZIP 67663 is Very Hard (246 mg/L / 14.4 GPG). High concentrations of dissolved limestone minerals cause severe mineral buildup, stiff laundry, dry skin, and premature water heater wear.
Grains per gallon
Parts per million CaCO3
Official EPA SDWIS Database Entry
Utility: Rooks Company Rwd 3 · PWSID: KS2016308
Violation History
Past 5 years — EPA SDWIS data
Rooks Company Rwd 3 has recorded 17 health-based violations out of 19 total violations over the past 5 years. 8 violations remain unresolved in EPA tracking records.
Regulatory compliance risk for this utility is rated Critical based on past reporting and enforcement records.
Contaminants Detected
Contaminants with health-based violations on record
EPA records identify 2 contaminants with health-based violations in the past 5 years: Lead, Haloacetic Acids (HAA5).
⚖ Enforcement Actions
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.
Highest potential
% of household income spent on energy — indicator of older infrastructure
EPA Radon Zone 1 — highest potential for radon in indoor air. Homeowners should test their home for radon and consider mitigation if levels exceed 4 pCi/L.
Water Quality Testing in ZIP 67663
Tap Water & Well Testing Recommendations
Residents in ZIP code 67663 served by Rooks Company Rwd 3 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 Kansas Department of Health and Environment.
🛡 What Should You Do? — ZIP 67663 Recommendations
Serious water quality concerns — action recommended
- 🚨 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 Rooks Company Rwd 3 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:
NSF 53 Lead Pitcher Filter
Certified to remove lead. Recommended for immediate protection.
NSF 58 Under-Sink RO System
Reverse Osmosis system certified to remove PFAS, heavy metals, and viruses.
Frequently Asked Questions — ZIP 67663 Water Quality
Is tap water safe to drink in ZIP code 67663?+
How do I get my water tested in ZIP 67663 (Plainville, KS)?+
How hard is the tap water in 67663?+
Should I test private well water in 67663?+
What is the lead level in 67663 tap water?+
Is there an active boil water notice in 67663?+
Who provides tap water to 67663?+
What water filter should I use in 67663?+
Data Sources & Methodology
Water quality data for ZIP code 67663 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 Rooks Company Rwd 3. 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 →