WaterVerge

Is Bonner Springs, KS Tap Water Safe to Drink?

Graded B — but Copper and Chlorate were detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

11K residents served 2 water systems PWSID: KS2020904
Overall Score
79.3 / 100
Violations
12 active
Last Updated
May 2026
Source
GUP
#173 of 323 in Kansas Top 53% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
79.3/100
waterverge.com
B 79.3/100

Bonner Springs, KS — Water Quality Report

Bonner Springs's drinking water received a grade of B (79.3 out of 100), indicating good water quality. The city's 2 water systems serve approximately 10,805 residents using gup.

Lead levels were measured at 1.0 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 27 violations on record, including 3 health-based violations. 12 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Bonner Springs's water

Bonner Springs ranks #173 out of 323 cities in Kansas for water quality, placing it below average in the state.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Hexavalent chromium (chromium-6) was detected at 0.21 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

Quality Breakdown

Water quality score

See methodology →
79.3 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
39.3/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 1.0 ppb (90th percentile).
Contaminants
17/20
B
1 PFAS compound detected.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: GUP.
Water Safety

Is Bonner Springs, KS water safe to drink?

Concerns Identified

Bonner Springs's drinking water has significant quality concerns based on EPA testing data. With a grade of B (79.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 10,805 residents using gup.

12
Active Violations
1.0 ppb
Lead (90th %ile)
1 compound
PFAS Detected
6 events
Disaster History

Recent water quality updates for Bonner Springs

A timeline of significant water quality events, violations, and data updates.

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Bonner Springs's water quality assessment. Grade: B (79.3/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
FLOODING

Federal disaster declaration (FEMA DR-4035). Flood event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Bonner Springs's water supply.

Lead Within Limits
Detected: 1.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.50 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 15.0000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Bonner Springs's water system has 27 total violations on record, including 3 health-based violations. 12 remain unresolved. 3 violations were issued in the last 5 years.

MROtherMCLTT
Most recent violations:
Apr 2022 Lead and Copper Rule Open
Sep 2021 Lead and Copper Rule Open
Apr 2021 Lead and Copper Rule Open
Jul 2020 Lead and Copper Rule Open
Mar 2020 Lead and Copper Rule Open

Flood & environmental risk

Wyandotte County has experienced 6 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Missouri River Above Parkville, Stranger C Nr Tonganoxie, Kansas R, Kill C, Cedar C.

FLOODING
Flood FEMA DR-4035
FLOODING
Flood FEMA DR-3324
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3236

Where does Bonner Springs's water come from?

Bonner Springs's drinking water comes from gup, supplied by 2 water systems serving approximately 10,805 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Missouri River Above Parkville (river), Stranger C Nr Tonganoxie (river), Kansas R (river), Kill C (river), Cedar C (river).

What Bonner Springs residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in Bonner Springs's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Bonner Springs's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.0 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.50 mg/L
EPA Action Level: 1.3 mg/L · +15% over limit
Exceeds Limit
lithium
PFAS / Forever Chemical
Near MCL
15.0000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.21 µg/L
CA MCL (no federal MCL): 10 µg/L · 2% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Elevated
838.1 µg/L
EPA Health Ref Level: 1,500 µg/L · 56% of limit
DetectedUCMR 3 Data
Vanadium
Inorganic
Detected
0.63 µg/L
EPA Short-term HA: 21 µg/L · 3% of limit
DetectedUCMR 3 Data
Chlorate
Disinfection Byproduct
Over HA
230.6 µg/L
EPA Lifetime HA: 210 µg/L · +10% over limit
Over Health AdvisoryUCMR 3 Data
Molybdenum
Inorganic
Detected
4.37 µg/L
EPA Lifetime HA: 40 µg/L · 11% of limit
DetectedUCMR 3 Data
Lithium
Inorganic
Detected
15.0 µg/L
State screening level: 60 µg/L · 25% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

27
Total violations
3
Health-based
12
Active / unresolved
Apr 2022
Most recent violation
Compliance Record

Violations & advisories

27 Total
12 Active
3 Health-based
15 Resolved
Violations by category
Lead and Copper Rule
12
Volatile Organic Chemicals
8
Total Coliform Rule
3
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Consumer Confidence Rule
1
Apr 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Apr 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Mar 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 1999 Active
Consumer Confidence Rule
Other Violation 0
Sep 1994 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jan 1994 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jul 1993 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jul 2017 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2017
Jul 2017 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2017
Sep 2013 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2013
Feb 2002 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2002
Sep 1999 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 1999
Jan 1994 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1994
Jul 1993 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1993
Jan 1989 Resolved
Benzene
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1989
Showing 20 of 27 violations
Industrial pollution

Top industrial polluters within 10 miles of Bonner Springs

Industrial polluters nearby

Reported releases to surface water by facilities near Bonner Springs, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
OLDCASTLE MILLER BONNER SPRINGS
Nonmetallic Mineral Product · CRH AMERICAS INC
BONNER SPRINGS, KS66012
1.9 mi
HONEYWELL AEROSPACE OLATHE
Computers and Electronic Products · HONEYWELL INTERNATIONAL INC
OLATHE, KS66061
9.6 mi
HARCROS CHEMICALS INC
Chemicals · HARCROS CHEMICALS INC
KANSAS CITY, KS66106
9.5 mi
NEXEO SOLUTIONS LLC
Chemical Wholesalers · UNIVAR SOLUTIONS USA INC
KANSAS CITY, KS66106
9.1 mi
ALLEGIANT MANUFACTURING LLC
Fabricated Metals · ALLEGIANT MANUFACTURING LLC
KANSAS CITY, KS66102
7.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Bonner Springs

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

6
Declared disasters
Sep 2011
Most recent
Flood
Most common type

Wyandotte County has experienced 6 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2011
FLOODING
Flood FEMA #4035
Jun 2011
FLOODING
Flood FEMA #3324
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3236
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #1000
Sep 1977
SEVERE STORMS & FLOODING
Flood FEMA #539
May 1973
SEVERE STORMS & FLOODING
Flood FEMA #378

Recommended water filters

Based on contaminants detected in Bonner Springs's water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected
🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.50 1.3 mg/L Inorganic Over Limit
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium 15.000 HI µg/L PFAS Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 11.0 ppb from 1992 (12.0 ppb) to 2025 (1.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has increased by 0.093 mg/L from 1992 (1.407 mg/L) to 2023 (1.500 mg/L).
Contaminant Rankings

See how Bonner Springs compares by contaminant

Explore where Bonner Springs ranks among all Kansas cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
GUP
Operator
Local Government
Population Served
10,805
Water Systems
2
Source breakdown
GUP
1
Groundwater
1
Water Source

Where Bonner Springs's water comes from

GUP

Bonner Springs's water comes from groundwater under the direct influence of surface water, a designation that requires the same treatment rigor as surface water systems.

This source type is vulnerable to both surface contamination pathways and naturally occurring underground contaminants.

The system is operated by local government ownership and serves approximately 10,805 people through 2 water systems.

Local Hydrology

Water bodies near Bonner Springs

Bonner Springs is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Missouri River Above Parkville
river
Stranger C Nr Tonganoxie
river
Kansas R
river
Kill C
river
Cedar C
river
Infrastructure

Water systems serving Bonner Springs

System Name PWSID Population Source
BONNER SPRINGS, CITY OF KS2020904 7,805 GUP
LEAVENWORTH CO RWD 7 KS2010320 3,000 GW
Regional Comparison

How Bonner Springs compares

Full Kansas rankings →

Bonner Springs's score of 79.3/100 is above the average of 62/100 among major Kansas cities. It outscores 7 of 10 nearby cities.

Bonner Springs (this city)
79.3
Wichita
83.9
Olathe
79.5
Topeka
39.3
Lawrence
74.6
Kansas avg
62
City Profile

About Bonner Springs, KS

Economic Profile
$82,208
Median Income
$204,618
Median Home Value
$1,084/mo
Median Rent
2.5%
Unemployment
Community
36.6
Median Age
192
People / sq mi
23.4%
College Educated
73.3%
Homeownership
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Frequently asked questions

Is Bonner Springs, KS tap water safe to drink?

Bonner Springs's water quality earned a grade of B (79.3/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #173 out of 323 cities tested in Kansas.

What contaminants are in Bonner Springs's water?

Lead was measured at 1.0 ppb (90th percentile). 1 PFAS compound was detected. 27 violations are on record.

How is Bonner Springs's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Bonner Springs?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Bonner Springs's water come from?

Bonner Springs's water is sourced from GUP. The city has 2 water systems serving approximately 10,805 residents.

What health violations has Bonner Springs's water system had?

Bonner Springs has 3 health-based violations on record. The most recent violation was recorded in April 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 12 violations remain unresolved.

How does Bonner Springs's water compare to other cities?

Bonner Springs ranks #173 out of 323 cities in Kansas (better than 46% of state cities) and #8293 out of 15744 cities nationally (47th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.