WaterVerge

Is Gerald, MO Tap Water Safe to Drink?

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

1K residents served 2 water systems PWSID: MO6010303
Overall Score
86.5 / 100
Violations
10 active
Last Updated
May 2026
Source
Groundwater
#190 of 509 in Missouri Top 30% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
86.5/100
waterverge.com
A- 86.5/100

Gerald, MO — Water Quality Report

Gerald's drinking water received a grade of A- (86.5 out of 100), indicating good water quality. The city's 2 water systems serve approximately 1,413 residents using groundwater.

Lead levels were measured at 1.6 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 39 violations on record, including 12 health-based violations. 10 remain unresolved.

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

What to know about Gerald's water

Gerald ranks #190 out of 509 cities in Missouri for water quality, placing it mid-range in the state.

Gerald 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.

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

Quality Breakdown

Water quality score

See methodology →
86.5 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
39.5/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.6 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Gerald, MO water safe to drink?

Concerns Identified

Gerald's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (86.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,413 residents using groundwater (wells).

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

Recent water quality updates for Gerald

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Gerald's water quality assessment. Grade: A- (86.5/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

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

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

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

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

Federal disaster declaration (FEMA DR-4250). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 1.6 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Gerald's water system has 39 total violations on record, including 12 health-based violations. 10 remain unresolved. 1 violation was issued in the last 5 years.

RPTMONMRMCLOther
Most recent violations:
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Apr 2017 Revised Total Coliform Rule Resolved
Jun 2016 Revised Total Coliform Rule Resolved
Nov 2014 Coliform (TCR) Resolved
Aug 2014 Coliform (TCR) Resolved

Flood & environmental risk

Franklin 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.

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 Gerald's water come from?

Gerald's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 1,413 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Gerald residents can do

Install a water filter

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

Gerald'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
1.6 ppb
EPA Action Level: 15 ppb · 11% of limit
Safe Level
Compliance Record

Violation summary

39
Total violations
12
Health-based
10
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

39 Total
10 Active
12 Health-based
29 Resolved
Violations by category
Total Coliform Rule
27
Public Notice Rule and Revised PN Rule
3
Revised Total Coliform Rule
2
Consumer Confidence Rule
2
Lead and Copper Rule Revisions
1
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Nov 2013 Active
Public Notice
Other Violation 0
Oct 2013 Active
Public Notice
Other Violation 0
Dec 2011 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2011 Active
Public Notice
Other Violation 0
Jul 2011 Active
Consumer Confidence Rule
Other Violation 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
Oct 2004 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Apr 2017 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2017
Jun 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2016
Nov 2014 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2014
Aug 2014 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2014
May 2014 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 2014
Sep 2013 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2013
Aug 2013 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2013
Jun 2013 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2013
May 2012 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved May 2012
Aug 2011 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2011
Showing 20 of 39 violations
Industrial pollution

Top industrial polluters within 10 miles of Gerald

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
BULL MOOSE TUBE CO
Primary Metals · BULL MOOSE TUBE CO
GERALD, MO63037
0.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

10
Declared disasters
Jun 2017
Most recent
Flood
Most common type

Franklin 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.

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
Jun 2011
FLOODING
Flood FEMA #3325
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3232
May 2000
SEVERE THUNDERSTORMS AND FLASH FLOODING
Flood FEMA #1328

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.6 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 1.7 ppb from 1993 (3.3 ppb) to 2025 (1.6 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,413
Water Systems
2
Water Source

Where Gerald's water comes from

Groundwater

Gerald'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 1,413 people through 2 water systems.

Infrastructure

Water systems serving Gerald

System Name PWSID Population Source
GERALD PWS MO6010303 1,383 GW
FOXBORO SUBDIVISION MO6036323 30 GW
Regional Comparison

How Gerald compares

Full Missouri rankings →

Gerald's score of 86.5/100 is above the average of 62/100 among major Missouri cities. It outscores 9 of 10 nearby cities.

Gerald (this city)
86.5
St. Louis
40.9
Columbia
61.4
Missouri avg
62
City Profile

About Gerald, MO

Wikipedia →

Gerald is a city in western Franklin County, Missouri, United States. The population was 1,361 at the 2020 census.

Economic Profile
$49,643
Median Income
$134,568
Median Home Value
$708/mo
Median Rent
5.6%
Unemployment
Community
41.6
Median Age
313
People / sq mi
12.4%
College Educated
70.6%
Homeownership
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Frequently asked questions

Is Gerald, MO tap water safe to drink?

Gerald's water quality earned a grade of A- (86.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #190 out of 509 cities tested in Missouri.

What contaminants are in Gerald's water?

Lead was measured at 1.6 ppb (90th percentile). 39 violations are on record.

How is Gerald'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 Gerald?

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

Where does Gerald's water come from?

Gerald's water is sourced from Groundwater. The city has 2 water systems serving approximately 1,413 residents.

What health violations has Gerald's water system had?

Gerald has 12 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 10 violations remain unresolved.

Is Gerald's groundwater at risk of contamination?

Gerald 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 39 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 Gerald's water compare to other cities?

Gerald ranks #190 out of 509 cities in Missouri (better than 63% of state cities) and #4680 out of 15744 cities nationally (70th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.