WaterVerge

Is Hesston, KS Tap Water Safe to Drink?

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

3K residents served 1 water system PWSID: KS2007902
Overall Score
83.2 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#114 of 323 in Kansas Top 42% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
83.2/100
waterverge.com
B+ 83.2/100

Hesston, KS — Water Quality Report

Hesston's drinking water received a grade of B+ (83.2 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,495 residents using groundwater.

Lead levels were measured at 1.4 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 4 violations on record, including 2 health-based violations. 3 remain unresolved.

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

What to know about Hesston's water

Hesston ranks #114 out of 323 cities in Kansas for water quality, placing it mid-range in the state.

Hesston relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

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.

Quality Breakdown

Water quality score

See methodology →
83.2 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 1.4 ppb (90th percentile).
Contaminants
18.2/20
A
1 PFAS compound detected.
Compliance
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Hesston, KS water safe to drink?

Concerns Identified

Hesston's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (83.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 3,495 residents using groundwater (wells).

3
Active Violations
1.4 ppb
Lead (90th %ile)
1 compound
PFAS Detected
4 events
Disaster History

Recent water quality updates for Hesston

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 Hesston's water quality assessment. Grade: B+ (83.2/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
HURRICANE KATRINA EVACUATION

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

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Lead and Copper Rule.

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 Hesston's water supply.

Lead Within Limits
Detected: 1.4 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 18.2000 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

Hesston's water system has 4 total violations on record, including 2 health-based violations. 3 remain unresolved.

MRTTMCL
Most recent violations:
Dec 2018 Lead and Copper Rule Open
Jan 1994 Lead and Copper Rule Open
Dec 1991 Coliform (TCR) Resolved

Flood & environmental risk

Harvey 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 L Arkansas R.

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

Where does Hesston's water come from?

Hesston's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 3,495 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include L Arkansas R (river).

What Hesston residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in Hesston'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

Hesston'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
1.4 ppb
EPA Action Level: 15 ppb · 9% 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
18.2000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Detected
18.2 µg/L
State screening level: 60 µg/L · 30% 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

4
Total violations
2
Health-based
3
Active / unresolved
Dec 2018
Most recent violation
Compliance Record

Violations & advisories

4 Total
3 Active
2 Health-based
1 Resolved
Violations by category
Lead and Copper Rule
2
Total Coliform Rule
1
Dec 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1994 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Active
Compliance Violation
Monitoring 0
Dec 1991 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 1991
Industrial pollution

Top industrial polluters within 10 miles of Hesston

Industrial polluters nearby

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

Total reported releases to surface water: 4 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
AGCO CORP
Machinery · AGCO CORP
HESSTON, KS67062
Nickel40.6 mi
MORIDGE MANUFACTURING INC
Machinery · NA
MOUNDRIDGE, KS67107
6.0 mi
VOESTALPINE RAILWAY SYSTEMS NORTRAK INC.
Fabricated Metals · VOESTALPINE US HOLDING LLC
NEWTON, KS67114
7.9 mi
FULL VISION INC.
Machinery · FULL VISION INC
NEWTON, KS67114
8.3 mi
FUTURE FOAM INC.
Plastics and Rubber · FUTURE FOAM INC
NEWTON, KS67114
9.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Harvey County is currently in D2 (severe 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.

3
Weeks at D2+ (current streak)
13.3%
Months in D2+ (last 30y)
3
Weeks at D2+ (last 5y)

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

Harvey 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

Recommended water filters

Based on contaminants detected in Hesston'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) 1.4 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 18.200 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 0.6 ppb from 1995 (2.0 ppb) to 2025 (1.4 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has increased by 0.072 mg/L from 1993 (1.428 mg/L) to 2024 (1.500 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,495
Water Systems
1
Water Source

Where Hesston's water comes from

Groundwater

Hesston's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 3,495 people through 1 water system.

Local Hydrology

Water bodies near Hesston

Hesston is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

L Arkansas R
river
Infrastructure

Water systems serving Hesston

System Name PWSID Population Source
HESSTON, CITY OF KS2007902 3,495 GW
Regional Comparison

How Hesston compares

Full Kansas rankings →

Hesston's score of 83.2/100 is above the average of 62/100 among major Kansas cities. It outscores 8 of 10 nearby cities.

Hesston (this city)
83.2
Wichita
83.9
Olathe
79.5
Topeka
39.3
Lawrence
74.6
Kansas avg
62
City Profile

About Hesston, KS

Economic Profile
$67,333
Median Income
$169,068
Median Home Value
$654/mo
Median Rent
4.3%
Unemployment
Community
42.1
Median Age
401
People / sq mi
48.6%
College Educated
63%
Homeownership
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Frequently asked questions

Is Hesston, KS tap water safe to drink?

Hesston's water quality earned a grade of B+ (83.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #114 out of 323 cities tested in Kansas.

What contaminants are in Hesston's water?

Lead was measured at 1.4 ppb (90th percentile). 1 PFAS compound was detected. 4 violations are on record.

How is Hesston'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 Hesston?

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

Where does Hesston's water come from?

Hesston's water is sourced from Groundwater. The city has 1 water system serving approximately 3,495 residents.

What health violations has Hesston's water system had?

Hesston has 2 health-based violations on record. The most recent violation was recorded in December 2018. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is Hesston's groundwater at risk of contamination?

Hesston 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 4 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 Hesston's water compare to other cities?

Hesston ranks #114 out of 323 cities in Kansas (better than 65% of state cities) and #6546 out of 15744 cities nationally (58th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.