STATE REPORT KS 5 ALERTS HEALTH VIOLATIONS: 267

Kansas Home Safety Profiles by ZIP

749 ZIP codes · 342 water systems · IPC plumbing code

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData, NWS, State plumbing boards, Rewiring America

ZipCheckup tracks drinking-water and home-safety data for 749 ZIP codes across Kansas, covering 342 public water systems that serve about 2,454,909 people. 361 ZIP codes are mapped to at least one water system with an EPA violation on record.

749
ZIP Codes
342
Water Systems
361
ZIPs with Violations
5
Active Alerts
IPC
Plumbing Code
B · 71
Avg Safety Score
1
ZIPs Mapped to a System Above the Lead Action Level
53%
EPA Radon Zone 1 (county-level potential)
#25
of 50 States
45%
ZIPs Rated A or B
80%
ZIPs with Violations
B
Kansas average: 71/100 - ranked #25 of 50 states. 2 points below the national average (73). Water systems mapped to 80% of ZIP codes have recorded violations.

Top-two-band states in ZipCheckup's grading include Kansas, based on the average of its ZIP-level scores.

Score Distribution

How Kansas's 749 ZIP codes are distributed across safety grades.

0
A
53
B
61
C
5
D
0
F
85-10070-8455-6940-540-39

Home Safety Scores by State

Loading map…
F (0-39) D (40-54) C (55-69) B (70-84) A (85+)

Model 4.0.0 inputs: EPA SDWIS, UCMR5 PFAS, EPA radon zones, annual county AQI •

Top 10 ZIP Codes by Home Safety Score in Kansas

Highest Home Safety Scores in the state.

#ZIP CodeCityCountyScoreGrade
1 66603 TopekaShawnee 83 B
2 66606 TopekaShawnee 83 B
3 66608 TopekaShawnee 83 B
4 66611 TopekaShawnee 83 B
5 66612 TopekaShawnee 83 B
6 66621 TopekaShawnee 83 B
7 67060 HaysvilleSedgwick 83 B
8 67101 MaizeSedgwick 83 B
9 67202 WichitaSedgwick 83 B
10 67203 WichitaSedgwick 83 B

10 Lowest-Scoring ZIP Codes in Kansas

#ZIP CodeCityCountyScoreGradeViolations
1 67801 Dodge CityFord 49 D 1
2 67147 Valley CenterSedgwick 50 D 28
3 66040 LacygneLeavenworth 50 D 42
4 67219 WichitaSedgwick 53 D 24
5 66048 LeavenworthLeavenworth 53 D 16
6 67204 WichitaSedgwick 55 C 21
7 66025 EudoraDouglas 55 C 10
8 66018 De SotoJohnson 58 C 6
9 66086 TonganoxieLeavenworth 60 C 12
10 66012 Bonner SpringsWyandotte 60 C 13

County Rankings

Water quality breakdown by county. 105 counties with data in Kansas.

Loading county map…
F (0-39) D (40-54) C (55-69) B (70-84) A (85+)

County-level aggregation of measured ZIP Home Safety Scores • EPA SDWIS, UCMR 5 PFAS, EPA radon zones, EPA AirData

CountyAvg ScoreGradeZIPsBest ZIPWorst ZIP
20001 N/A N/A 7 N/A N/A
20003 N/A N/A 6 N/A N/A
20005 N/A N/A 6 N/A N/A
20007 N/A N/A 8 N/A N/A
20009 N/A N/A 6 N/A N/A
20011 N/A N/A 7 N/A N/A
20013 N/A N/A 7 N/A N/A
20015 N/A N/A 17 N/A N/A
20017 N/A N/A 5 N/A N/A
20019 N/A N/A 5 N/A N/A
20021 N/A N/A 9 N/A N/A
20023 N/A N/A 2 N/A N/A
20025 N/A N/A 3 N/A N/A
20027 N/A N/A 5 N/A N/A
20029 N/A N/A 6 N/A N/A
20031 N/A N/A 5 N/A N/A
20033 N/A N/A 3 N/A N/A
20035 N/A N/A 9 N/A N/A
20037 N/A N/A 13 N/A N/A
20039 N/A N/A 4 N/A N/A
20041 N/A N/A 8 N/A N/A
20043 N/A N/A 7 N/A N/A
20045 63 C 7 66046 (66) 66025 (55)
20047 N/A N/A 4 N/A N/A
20049 N/A N/A 5 N/A N/A
20051 N/A N/A 7 N/A N/A
20053 N/A N/A 5 N/A N/A
20055 N/A N/A 3 N/A N/A
20057 49 D 6 67801 (49) 67801 (49)
20059 N/A N/A 8 N/A N/A
20061 N/A N/A 3 N/A N/A
20063 N/A N/A 5 N/A N/A
20065 N/A N/A 4 N/A N/A
20067 N/A N/A 1 N/A N/A
20069 N/A N/A 5 N/A N/A
20071 N/A N/A 1 N/A N/A
20073 N/A N/A 9 N/A N/A
20075 N/A N/A 3 N/A N/A
20077 N/A N/A 7 N/A N/A
20079 N/A N/A 7 N/A N/A
20081 N/A N/A 2 N/A N/A
20083 N/A N/A 2 N/A N/A
20085 N/A N/A 8 N/A N/A
20087 N/A N/A 6 N/A N/A
20089 N/A N/A 7 N/A N/A
20091 66 C 45 66085 (67) 66018 (58)
20093 N/A N/A 2 N/A N/A
20095 N/A N/A 8 N/A N/A
20097 N/A N/A 3 N/A N/A
20099 N/A N/A 8 N/A N/A
20101 N/A N/A 2 N/A N/A
20103 61 C 10 66027 (67) 66040 (50)
20105 N/A N/A 4 N/A N/A
20107 N/A N/A 6 N/A N/A
20109 N/A N/A 3 N/A N/A
20111 N/A N/A 8 N/A N/A
20113 N/A N/A 9 N/A N/A
20115 N/A N/A 12 N/A N/A
20117 N/A N/A 11 N/A N/A
20119 N/A N/A 3 N/A N/A
20121 N/A N/A 6 N/A N/A
20123 N/A N/A 6 N/A N/A
20125 N/A N/A 10 N/A N/A
20127 N/A N/A 5 N/A N/A
20129 N/A N/A 3 N/A N/A
20131 N/A N/A 9 N/A N/A
20133 76 B 6 66720 (76) 66720 (76)
20135 N/A N/A 7 N/A N/A
20137 N/A N/A 4 N/A N/A
20139 N/A N/A 9 N/A N/A
20141 N/A N/A 5 N/A N/A
20143 N/A N/A 4 N/A N/A
20145 N/A N/A 4 N/A N/A
20147 N/A N/A 7 N/A N/A
20149 N/A N/A 9 N/A N/A
20151 N/A N/A 5 N/A N/A
20153 N/A N/A 4 N/A N/A
20155 N/A N/A 14 N/A N/A
20157 N/A N/A 9 N/A N/A
20159 N/A N/A 8 N/A N/A
20161 N/A N/A 8 N/A N/A
20163 N/A N/A 5 N/A N/A
20165 N/A N/A 8 N/A N/A
20167 N/A N/A 8 N/A N/A
20169 N/A N/A 7 N/A N/A
20171 N/A N/A 1 N/A N/A
20173 79 B 48 67060 (83) 67147 (50)
20175 N/A N/A 3 N/A N/A
20177 78 B 39 66603 (83) 66546 (67)
20179 N/A N/A 2 N/A N/A
20181 66 C 3 67735 (66) 67735 (66)
20183 N/A N/A 6 N/A N/A
20185 N/A N/A 4 N/A N/A
20187 N/A N/A 2 N/A N/A
20189 N/A N/A 2 N/A N/A
20191 74 B 12 67152 (74) 67152 (74)
20193 N/A N/A 5 N/A N/A
20195 N/A N/A 3 N/A N/A
20197 N/A N/A 8 N/A N/A
20199 N/A N/A 3 N/A N/A
20201 N/A N/A 11 N/A N/A
20203 N/A N/A 2 N/A N/A
20205 N/A N/A 6 N/A N/A
20207 N/A N/A 4 N/A N/A
20209 65 C 17 66101 (66) 66012 (60)

Most Common Contaminants in Kansas

Contaminant / RuleCategoryZIPs AffectedViolationsHealth Risk
Stage 1 DBP Rule Treatment Technique 220 499 No
Stage 2 DBP Rule Treatment Technique 220 389 Yes
Haloacetic Acids (HAA5) Disinfection Byproducts 188 577 Yes
Consumer Confidence Report Rule Reporting 184 489 Yes
Revised Total Coliform Rule Microbiological 179 444 No
Total Trihalomethanes (TTHM) Disinfection Byproducts 168 491 Yes
Lead and Copper Rule Treatment Technique 119 290 No
E. coli Microbiological 75 142 No

Overview

We track multi-source home safety signals for 749 ZIP records across Kansas. Home Safety Score model 4.0.0 is published for 119 scored records; missing required evidence suppresses the score.

The EPA snapshots used for this build directly map water systems to 453 ZIP records, covering 342 community water systems that serve approximately 2,454,909 people.

361 of 453 ZIP codes with a reported violation count in the available EPA record (80%) have recorded EPA violations. 267 health-based violations appear in the available health breakdown.

Active Weather Alerts

5 active alerts in Kansas including 1 warning. Severe weather can affect household safety and utilities through flooding, power outages, infrastructure damage, and boil-water advisories.

Alert Severity Areas
Flood Watch Severe Bourbon; Crawford; Cherokee; Benton; Morgan; Miller; Vernon; St. Clair; Hickory; Camden; Barton; Cedar; Polk; Dallas; Jasper; Dade
Flood Warning Severe Sumner, KS
Flood Watch Severe Lyon; Coffey; Anderson
Flood Watch Severe McPherson; Marion; Chase; Reno; Harvey; Butler; Greenwood; Woodson; Allen; Kingman; Sedgwick; Harper; Sumner; Cowley; Elk; Wilson; Neosho; Chautauqua; Montgomery; Labette
Flood Watch Severe Linn; Bates; Henry

View all Kansas alerts →

Plumbing Regulations

Kansas follows the International Plumbing Code (2018 edition).

  • Plumbing code: IPC (2018)
  • Homeowner DIY: Licensed plumber required
  • Water heater permit: Required
  • Annual backflow test: Required

Full Kansas regulations →

Areas with Most Violations

ZIP Code City Home Safety Grade Violations Health-Based System
67420 Beloit — 78 65 City of Beloit,
67846 Garden City — 76 0 City of Garden City,
67301 Independence — 52 5 City of Independence,
67333 Caney — 51 8 City of Caney,
67042 El Dorado — 48 6 City of El Dorado,
66075 Pleasanton — 44 7 Linn Company Rwd 2
66502 Manhattan — 44 12 City of Manhattan,
66040 Lacygne D 42 4 Linn Company Rwd 1
67074 Leon — 42 2 Butler Company Rwd 6
67337 Coffeyville — 40 6 City of Coffeyville,

Areas with No Violations

ZIP Code City Home Safety Grade System Population
66010 Blue Mound — Linn Company Rwd 2 1,960
66016 Cummings — Atchison Company Rwd 5c 3,690
66023 Effingham — Atchison Company Rwd 5c 3,690
66027 Fort Leavenworth C Leavenworth Water Department 38,757
66041 Lancaster — Atchison Company Rwd 5c 3,690
66058 Muscotah — Atchison Company Rwd 5c 3,690
66060 Nortonville — Atchison Company Rwd 5c 3,690
66085 Stilwell C Water District 1 of Johnson Company 490,000
66091 Welda — Anderson Company Rwd 5 2,093
66093 Westphalia — Anderson Company Rwd 5 2,093

Home Safety Score

Average Home Safety Score for Kansas: B (71/100) across 119 scored of 749 tracked ZIP records.

Model 4.0.0 uses the canonical components water-compliance, pfas-mcl-screen, radon-zone, annual-aqi across 3 required domains. The sections below provide additional context and do not change that score. Missing required evidence suppresses the score, and a favorable result is not a property-level safety certification.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0035 mg/L (EPA action level: 0.015 mg/L)
  • 1 of 453 ZIP codes with known status exceed the EPA lead action level

Radon Risk

  • High risk (Zone 1): 396 ZIP codes (53%)
  • Moderate risk (Zone 2): 352 ZIP codes
  • Low risk (Zone 3): 0 ZIP codes

ZIP Code Reports for Kansas

Largest Communities

ZIP Code City Population Safety Grade Violations
66030 Gardner 665,154 C 4
66061 Olathe 639,471 C 4
66062 Olathe 639,471 C 4
66215 Lenexa 633,014 C 4
66219 Lenexa 633,014 C 4
66083 Spring Hill 533,670 C 4
66053 Louisburg 516,415 — 22
66013 Bucyrus 511,762 — 5
66018 De Soto 501,102 C 6
66085 Stilwell 490,000 C 0
66202 Mission 490,000 C 0
66203 Shawnee 490,000 C 0
66204 Overland Park 490,000 C 0
66205 Mission 490,000 C 0
66206 Leawood 490,000 C 0
66207 Overland Park 490,000 C 0
66208 Prairie Village 490,000 C 0
66209 Leawood 490,000 C 0
66210 Overland Park 490,000 C 0
66211 Leawood 490,000 C 0

Lowest Published Home Safety Scores

ZIP Code City Score Grade Violations
67801 Dodge City 49 D 1
66040 Lacygne 50 D 42
67147 Valley Center 50 D 28
66048 Leavenworth 53 D 16
67219 Wichita 53 D 24

Highest Published Home Safety Scores

ZIP Code City Score Grade Violations
66603 Topeka 83 B 2
66606 Topeka 83 B 2
66608 Topeka 83 B 2
66611 Topeka 83 B 2
66612 Topeka 83 B 2

All 749 ZIP Codes in Kansas

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Largest water systems in Kansas

The 12 largest community water systems in Kansas, out of 342 in our data.

Show all 12 water systems

Systems with the most violations in Kansas

12 systems in Kansas with the most recorded EPA violations.

Frequently Asked Questions

Is the water safe to drink in Kansas?

Kansas has 342 community water systems serving 2,454,909 people across 749 ZIP codes. There are 1,341 recorded violations among these water systems, including 267 health-based. 361 of 749 ZIP codes are mapped to at least one water system with a recorded violation.

What plumbing code does Kansas follow?

Kansas's listed plumbing code type is IPC as of our last review; local jurisdictions may adopt or amend codes. Plumbing work may require a licensed plumber; check state exemptions and local requirements.

Is lead a concern in Kansas's drinking water?

1 ZIP code in Kansas is mapped to a water system whose reported 90th-percentile lead result exceeded the EPA action level of 0.015 mg/L.

What is the radon risk in Kansas?

53% of ZIP codes in Kansas are mapped to counties classified as EPA Radon Zone 1 (highest county-level radon potential).

How to cite this page

APA ZipCheckup. (2026). Kansas Home Safety Profiles by ZIP. https://zipcheckup.com/states/kansas/
BibTeX 
@misc{zipcheckup-states-kansas,
  author = {{ZipCheckup}},
  title  = {{Kansas Home Safety Profiles by ZIP}},
  year   = {2026},
  url    = {https://zipcheckup.com/states/kansas/}
}

Page version: October 2026.

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