WaterVerge

Is Webb City, MO Tap Water Safe to Drink?

Graded A-, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

16K residents served 2 water systems PWSID: MO5010844
Overall Score
85.1 / 100
Violations
6 active
Last Updated
May 2026
Source
Purchased surface water
#225 of 509 in Missouri Top 35% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.1/100
waterverge.com
A- 85.1/100

Webb City, MO — Water Quality Report

Webb City's drinking water received a grade of A- (85.1 out of 100), indicating good water quality. The city's 2 water systems serve approximately 15,871 residents using purchased surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 21 violations on record, including 8 health-based violations. 6 remain unresolved.

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

What to know about Webb City's water

Webb City ranks #225 out of 509 cities in Missouri for water quality, placing it mid-range in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

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 →
85.1 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
39.1/45
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
1 PFAS compound detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Webb City, MO water safe to drink?

Concerns Identified

Webb City's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 15,871 residents using surface water (rivers, lakes, or reservoirs).

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

Recent water quality updates for Webb City

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 Webb City's water quality assessment. Grade: A- (85.1/100).

Violation
1 drinking water violation recorded

Contaminants: E. COLI.

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Violation
1 drinking water violation recorded

Contaminants: E. COLI.

Disaster
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS AND FLOODING

Federal disaster declaration (FEMA DR-4317). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 19.1000 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

Webb City's water system has 21 total violations on record, including 8 health-based violations. 6 remain unresolved. 3 violations were issued in the last 5 years.

MRMCLOther
Most recent violations:
Aug 2025 E. COLI Open
Jan 2024 Total Haloacetic Acids (HAA5) Resolved
Jan 2024 TTHM Resolved
Jul 2020 E. COLI Open
Aug 2010 Coliform (TCR) Resolved

Flood & environmental risk

Jasper County has experienced 6 federally declared disasters since 1976. 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 Spring River At Carthage, North Fork Spring River Near Purcell, Spring River Near Waco, Shoal Creek Above Joplin.

SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS AND FLOODING
Flood FEMA DR-4317
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4250
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-3374

Where does Webb City's water come from?

Webb City's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 15,871 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Spring River At Carthage (river), North Fork Spring River Near Purcell (river), Spring River Near Waco (river), Shoal Creek Above Joplin (river).

What Webb City residents can do

Install a water filter

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

Webb City'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
lithium
PFAS / Forever Chemical
Near MCL
19.1000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
1.2 µg/L
EPA MCL: 60 µg/L · 2% of limit
Within LimitUCMR 4 DataHAA6Br: 0.4 µg/LHAA9: 1.6 µg/L
Manganese
Inorganic
Detected
1.6 µg/L
EPA Secondary MCL: 50 µg/L · 3% of limit
DetectedUCMR 4 Data
Lithium
Inorganic
Detected
19.1 µg/L
State screening level: 60 µg/L · 32% 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

21
Total violations
8
Health-based
6
Active / unresolved
Aug 2025
Most recent violation
Compliance Record

Violations & advisories

21 Total
6 Active
8 Health-based
15 Resolved
Violations by category
Total Coliform Rule
13
Ground Water Rule
3
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Consumer Confidence Rule
1
Aug 2025 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2020 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Aug 2010 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Jan 2024 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Aug 2010 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2010
Sep 2009 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2009
Jun 2008 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2008
May 2008 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 2008
Jun 2006 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2006
May 2004 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved May 2004
Aug 2003 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2003
May 2002 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved May 2002
May 1998 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved May 1998
Jan 1997 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 1997
Aug 1996 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 1996
Jun 1995 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1995
Showing 20 of 21 violations
Industrial pollution

Top industrial polluters within 10 miles of Webb City

Industrial polluters nearby

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

Total reported releases to surface water: 764 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
DYNO NOBEL INC - CARTHAGE PLANT
Chemicals · DYNO NOBEL INC
CARTHAGE, MO64836
Nitrate compounds (water dissociable; reportable only when in aqueous solution)7645.1 mi
MODINE MANUFACTURING CO
Transportation Equipment · MODINE MANUFACTURING CO
JOPLIN, MO64801
Nickel06.2 mi
ABLE MANUFACTURING & ASSEMBLY LLC
Transportation Equipment · NATIONAL COMPOSITES LLC
JOPLIN, MO64801
6.1 mi
EAGLEPICHER TECHNOLOGIES LLC
Electrical Equipment · OMG ENERGY HOLDINGS INC
JOPLIN, MO64801
4.6 mi
DUCOMMUN LABARGE TECHNOLOGIES,INC.
Transportation Equipment · DUCOMMUN INC
JOPLIN, MO64801
5.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Webb City

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
Jun 2017
Most recent
Flood
Most common type

Jasper County has experienced 6 federally declared disasters since 1976. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jun 2017
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS AND FLOODING
Flood FEMA #4317
Jan 2016
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4250
Jan 2016
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #3374
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3232
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #995
Jul 1976
SEVERE STORMS & FLOODING
Flood FEMA #516

Recommended water filters

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

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
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 19.100 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 0.0 ppb from 1992 (0.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
15,871
Water Systems
2
Source breakdown
Purchased Surface Water
1
Groundwater
1
Water Source

Where Webb City's water comes from

Purchased Surface Water

Webb City's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 15,871 people through 2 water systems.

Local Hydrology

Water bodies near Webb City

Webb City is located near 4 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Spring River At Carthage
river
North Fork Spring River Near Purcell
river
Spring River Near Waco
river
Shoal Creek Above Joplin
river
Infrastructure

Water systems serving Webb City

System Name PWSID Population Source
WEBB CITY PWS MO5010844 12,488 SWP
JASPER COUNTY PWSD 2 MO5024287 3,383 GW
Regional Comparison

How Webb City compares

Full Missouri rankings →

Webb City's score of 85.1/100 is above the average of 62/100 among major Missouri cities. It outscores 9 of 10 nearby cities.

Webb City (this city)
85.1
St. Louis
40.9
Columbia
61.4
Missouri avg
62
City Profile

About Webb City, MO

Economic Profile
$58,964
Median Income
$147,436
Median Home Value
$897/mo
Median Rent
4.8%
Unemployment
Community
34.2
Median Age
581
People / sq mi
26.9%
College Educated
59.5%
Homeownership
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Frequently asked questions

Is Webb City, MO tap water safe to drink?

Webb City's water quality earned a grade of A- (85.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #225 out of 509 cities tested in Missouri.

What contaminants are in Webb City's water?

Lead was measured at 0.0 ppb (90th percentile). 1 PFAS compound was detected. 21 violations are on record.

How is Webb City'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 Webb City?

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

Where does Webb City's water come from?

Webb City's water is sourced from Purchased surface water. The city has 2 water systems serving approximately 15,871 residents.

What health violations has Webb City's water system had?

Webb City has 8 health-based violations on record. The most recent violation was recorded in August 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.

How does Webb City's water compare to other cities?

Webb City ranks #225 out of 509 cities in Missouri (better than 56% of state cities) and #5488 out of 15744 cities nationally (65th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.