WaterVerge

Is Bentley, KS Tap Water Safe to Drink?

Graded B, with 10 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

569 residents served 1 water system PWSID: KS2017341
Overall Score
79.5 / 100
Violations
10 active
Last Updated
May 2026
Source
Purchased ground water
#171 of 323 in Kansas Top 53% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
79.5/100
waterverge.com
B 79.5/100

Bentley, KS — Water Quality Report

Bentley's drinking water received a grade of B (79.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 569 residents using purchased ground water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 13 violations on record, including 0 health-based violations. 10 remain unresolved.

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

What to know about Bentley's water

Bentley ranks #171 out of 323 cities in Kansas for water quality, placing it below average in the state.

Bentley purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.

As a small community water system, Bentley may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 6 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
79.5 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
37.5/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Bentley, KS water safe to drink?

Concerns Identified

Bentley's drinking water has significant quality concerns based on EPA testing data. With a grade of B (79.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 569 residents using groundwater (wells).

10
Active Violations
0.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Bentley

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Bentley's water quality assessment. Grade: B (79.5/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3236). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-1000). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Bentley's water system has 13 total violations on record, including 0 health-based violations. 10 remain unresolved. 6 violations were issued in the last 5 years.

MROtherMON
Most recent violations:
Jan 2025 Lead and Copper Rule Open
Oct 2023 Consumer Confidence Rule Open
Jul 2023 Consumer Confidence Rule Open
Dec 2021 Lead and Copper Rule Open
Apr 2021 Chlorine Resolved

Flood & environmental risk

Sedgwick County has experienced 4 federally declared disasters since 1965. 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 Arkansas R Nr Maize, L Arkansas R, Emma C, L Arkansas R Nr Sedgwick, Floodway.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3236
SEVERE STORMS & FLOODING
Flood FEMA DR-1000
SEVERE STORMS & FLOODING
Flood FEMA DR-378

Where does Bentley's water come from?

Bentley's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 569 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Arkansas R Nr Maize (river), L Arkansas R (river), Emma C (river), L Arkansas R Nr Sedgwick (river), Floodway (river).

What Bentley residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Bentley'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

Bentley'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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

13
Total violations
0
Health-based
10
Active / unresolved
Jan 2025
Most recent violation
Compliance Record

Violations & advisories

13 Total
10 Active
0 Health-based
3 Resolved
Violations by category
Consumer Confidence Rule
5
Lead and Copper Rule
4
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Revised Total Coliform Rule
1
Ground Water Rule
1
Jan 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2023 Active
Consumer Confidence Rule
Other Violation 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Dec 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Jul 2000 Active
Consumer Confidence Rule
Other Violation 0
Oct 1999 Active
Consumer Confidence Rule
Other Violation 0
Jan 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Apr 2021 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2021
Apr 2021 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2021
Apr 2018 Resolved
Groundwater Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2018
Industrial pollution

Top industrial polluters within 10 miles of Bentley

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
ICM INC
Fabricated Metals · NA
COLWICH, KS67030
7.1 mi
CARDINAL COLWICH LLC
Chemicals · THE ANDERSONS INC
COLWICH, KS67030
7.0 mi
ERGON ASPHALT & EMULSIONS INC. - HALSTEAD
Petroleum · ERGON INC
HALSTEAD, KS67056
8.1 mi
WORTHINGTON CYLINDERS KANSAS LLC
Fabricated Metals · WORTHINGTON ENTERPRISES INC
MAIZE, KS67101
7.4 mi
KYODO YUSHI USA INC.
Petroleum · NA
MAIZE, KS67101
7.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

Sedgwick County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

12.8%
Months in D2+ (last 30y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

4
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Sedgwick County has experienced 4 federally declared disasters since 1965. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3236
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #1000
May 1973
SEVERE STORMS & FLOODING
Flood FEMA #378
Jun 1965
FLOODING
Flood FEMA #201

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 0.6 ppb from 2004 (0.6 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
569
Water Systems
1
Water Source

Where Bentley's water comes from

Purchased Groundwater

Bentley purchases its water supply from a regional wholesale provider rather than treating raw water directly.

Water quality depends on both the wholesaler's treatment standards and the condition of Bentley's local distribution pipes and storage facilities.

Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.

The system is operated by local government ownership and serves approximately 569 people through 1 water system.

Local Hydrology

Water bodies near Bentley

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

Arkansas R Nr Maize
river
L Arkansas R
river
Emma C
river
L Arkansas R Nr Sedgwick
river
Floodway
river
Infrastructure

Water systems serving Bentley

System Name PWSID Population Source
BENTLEY, CITY OF KS2017341 569 GWP
Regional Comparison

How Bentley compares

Full Kansas rankings →

Bentley's score of 79.5/100 is above the average of 62/100 among major Kansas cities. It outscores 7 of 10 nearby cities.

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

About Bentley, KS

Wikipedia →

Bentley is a city in Sedgwick County, Kansas, United States. As of the 2020 census, the population of the city was 560. It is located northwest of Wichita, approximately four miles north of K-96 highway at the intersection of 151st W and 109th N.

Economic Profile
$57,500
Median Income
$115,189
Median Home Value
$1,000/mo
Median Rent
14.4%
Unemployment
Community
42.7
Median Age
584
People / sq mi
14.5%
College Educated
83.8%
Homeownership
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Frequently asked questions

Is Bentley, KS tap water safe to drink?

Bentley's water quality earned a grade of B (79.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #171 out of 323 cities tested in Kansas.

What contaminants are in Bentley's water?

Lead was measured at 0.0 ppb (90th percentile). 13 violations are on record.

How is Bentley'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 Bentley?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Bentley's water come from?

Bentley's water is sourced from Purchased ground water. The city has 1 water system serving approximately 569 residents.

Is Bentley's groundwater at risk of contamination?

Bentley uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 13 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Bentley's water compare to other cities?

Bentley ranks #171 out of 323 cities in Kansas (better than 47% of state cities) and #8254 out of 15744 cities nationally (48th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Bentley's small water system affect quality?

Bentley's system serves approximately 569 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 13 violations on record.