WaterVerge

Is Weatherby Lake, MO Tap Water Safe to Drink?

Graded B+, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: MO1010842
Overall Score
84.3 / 100
Violations
2 active
Last Updated
May 2026
Source
Purchased surface water
#244 of 509 in Missouri Top 38% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
84.3/100
waterverge.com
B+ 84.3/100

Weatherby Lake, MO — Water Quality Report

Weatherby Lake's drinking water received a grade of B+ (84.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,077 residents using purchased surface 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 2 violations on record, including 0 health-based violations. 2 remain unresolved.

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

What to know about Weatherby Lake's water

Weatherby Lake ranks #244 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.

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

Quality Breakdown

Water quality score

See methodology →
84.3 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.3/45
A
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
4/5
B
Water source: Purchased surface water.
Water Safety

Is Weatherby Lake, MO water safe to drink?

Use Caution

Weatherby Lake's tap water meets most EPA standards but has areas that warrant attention. With a grade of B+ (84.3/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 2,077 residents using surface water (rivers, lakes, or reservoirs).

2
Active Violations
0.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Weatherby Lake

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Weatherby Lake's water quality assessment. Grade: B+ (84.3/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4435). Flood event — may have impacted local water infrastructure.

Disaster
FLOODING

Federal disaster declaration (FEMA DR-4012). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Weatherby Lake's water system has 2 total violations on record, including 0 health-based violations. 2 remain unresolved. 1 violation was issued in the last 5 years.

MR
Most recent violations:
Oct 2024 Lead and Copper Rule Open

Flood & environmental risk

Platte County has experienced 10 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, Kansas R, Missouri River At Kansas City.

SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4435
FLOODING
Flood FEMA DR-4012
FLOODING
Flood FEMA DR-3325

Where does Weatherby Lake's water come from?

Weatherby Lake's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,077 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), Kansas R (river), Missouri River At Kansas City (river).

What Weatherby Lake residents can do

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

Weatherby Lake'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

2
Total violations
0
Health-based
2
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

2 Total
2 Active
0 Health-based
0 Resolved
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Industrial pollution

Top industrial polluters within 10 miles of Weatherby Lake

Industrial polluters nearby

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

Total reported releases to surface water: 33 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
GM MLCG FAIRFAX ASSEMBLY
Transportation Equipment · GENERAL MOTORS LLC
KANSAS CITY, KS66115
Copper267.5 mi
PHILLIPS 66 KANSAS CITY TERMINAL
Petroleum Bulk Terminals · PHILLIPS 66 CO
KANSAS CITY, KS66115
Toluene48.6 mi
WABTEC US RAIL INC.
Transportation Equipment · WABTEC CORP
KANSAS CITY, MO64153
Manganese34.0 mi
DAVIS PAINT CO
Chemicals · NA
NORTH KANSAS CITY, MO64116
9.7 mi
MARTIN OPERATING PARTNERS MARTIN LUBRICANTS
Petroleum · MARTIN MIDSTREAM PTNRS LP
KANSAS CITY, MO64116
8.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Weatherby Lake

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

10
Declared disasters
May 2019
Most recent
Flood
Most common type

Platte County has experienced 10 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2019
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4435
Aug 2011
FLOODING
Flood FEMA #4012
Jun 2011
FLOODING
Flood FEMA #3325
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3232
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #995
May 1990
SEVERE STORMS & FLOODING
Flood FEMA #867

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 0.0 ppb from 1993 (0.0 ppb) to 2024 (0.0 ppb).
Contaminant Rankings

See how Weatherby Lake compares by contaminant

Explore where Weatherby Lake ranks among all Missouri cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
2,077
Water Systems
1
Water Source

Where Weatherby Lake's water comes from

Purchased Surface Water

Weatherby Lake'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 2,077 people through 1 water system.

Local Hydrology

Water bodies near Weatherby Lake

Weatherby Lake is located near 3 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Missouri River Above Parkville
river
Kansas R
river
Missouri River At Kansas City
river
Infrastructure

Water systems serving Weatherby Lake

System Name PWSID Population Source
WEATHERBY LAKE PWS MO1010842 2,077 SWP
Regional Comparison

How Weatherby Lake compares

Full Missouri rankings →

Weatherby Lake's score of 84.3/100 is above the average of 62/100 among major Missouri cities. It outscores 9 of 10 nearby cities.

Weatherby Lake (this city)
84.3
St. Louis
40.9
Columbia
61.4
Missouri avg
62
City Profile

About Weatherby Lake, MO

Economic Profile
$164,444
Median Income
$470,228
Median Home Value
1.9%
Unemployment
Community
49.3
Median Age
909
People / sq mi
61.8%
College Educated
97.4%
Homeownership
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Frequently asked questions

Is Weatherby Lake, MO tap water safe to drink?

Weatherby Lake's water quality earned a grade of B+ (84.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #244 out of 509 cities tested in Missouri.

What contaminants are in Weatherby Lake's water?

Lead was measured at 0.0 ppb (90th percentile). 2 violations are on record.

How is Weatherby Lake'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 Weatherby Lake?

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

Where does Weatherby Lake's water come from?

Weatherby Lake's water is sourced from Purchased surface water. The city has 1 water system serving approximately 2,077 residents.

How does Weatherby Lake's water compare to other cities?

Weatherby Lake ranks #244 out of 509 cities in Missouri (better than 52% of state cities) and #5981 out of 15744 cities nationally (62th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Weatherby Lake's small water system affect quality?

Weatherby Lake's system serves approximately 2,077 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 2 violations on record.