WaterVerge

Is Golden City, MO Tap Water Safe to Drink?

Graded A, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

680 residents served 1 water system PWSID: MO5010313
Overall Score
90.3 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#83 of 509 in Missouri Top 15% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
90.3/100
waterverge.com
A 90.3/100

Golden City, MO — Water Quality Report

Golden City's drinking water received a grade of A (90.3 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 680 residents using groundwater.

Lead levels were measured at 1.5 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 8 violations on record, including 3 health-based violations. 3 remain unresolved.

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

What to know about Golden City's water

Golden City ranks #83 out of 509 cities in Missouri for water quality, placing it above average in the state.

Golden City 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, Golden City may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
90.3 out of 100 Grade A
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 1.5 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 Golden City, MO water safe to drink?

Concerns Identified

Golden City's drinking water has significant quality concerns based on EPA testing data. With a grade of A (90.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 680 residents using groundwater (wells).

3
Active Violations
1.5 ppb
Lead (90th %ile)
6 events
Disaster History

Recent water quality updates for Golden City

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Golden City's water quality assessment. Grade: A (90.3/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

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

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

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

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

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

Contaminants: Stage 2 Disinfectants and Disinfection Byproducts Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 1.5 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Golden City's water system has 8 total violations on record, including 3 health-based violations. 3 remain unresolved. 1 violation was issued in the last 5 years.

OtherMCLMR
Most recent violations:
Jul 2021 Consumer Confidence Rule Open
Dec 2012 Coliform (TCR) Resolved
May 2008 Stage 2 Disinfectants and Disinfection Byproducts Rule Open
Oct 2006 Coliform (TCR) Resolved
Mar 1995 Coliform (TCR) Resolved

Flood & environmental risk

Barton 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.

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 Golden City's water come from?

Golden City's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 680 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Golden City residents can do

Install a water filter

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

Golden 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
1.5 ppb
EPA Action Level: 15 ppb · 10% of limit
Safe Level
Compliance Record

Violation summary

8
Total violations
3
Health-based
3
Active / unresolved
Jul 2021
Most recent violation
Compliance Record

Violations & advisories

8 Total
3 Active
3 Health-based
5 Resolved
Violations by category
Total Coliform Rule
5
Consumer Confidence Rule
1
Stage 2 Disinfectants and Disinfection Byproducts Rule
1
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
May 2008 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Dec 2012 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 2012
Oct 2006 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2006
Mar 1995 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1995
May 1991 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved May 1991
Jan 1991 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Feb 1991
Environmental Risk

Flood & disaster history

6
Declared disasters
Jun 2017
Most recent
Flood
Most common type

Barton 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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.5 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 increased by 1.5 ppb from 1993 (0.0 ppb) to 2025 (1.5 ppb).
Contaminant Rankings

See how Golden City compares by contaminant

Explore where Golden City ranks among all Missouri cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
680
Water Systems
1
Water Source

Where Golden City's water comes from

Groundwater

Golden City'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 680 people through 1 water system.

Infrastructure

Water systems serving Golden City

System Name PWSID Population Source
GOLDEN CITY PWS MO5010313 680 GW
Regional Comparison

How Golden City compares

Full Missouri rankings →

Golden City's score of 90.3/100 is above the average of 62/100 among major Missouri cities. It outscores 10 of 10 nearby cities.

Golden City (this city)
90.3
St. Louis
40.9
Columbia
61.4
Missouri avg
62
City Profile

About Golden City, MO

Economic Profile
$37,679
Median Income
$75,798
Median Home Value
$725/mo
Median Rent
6.1%
Unemployment
Community
55
Median Age
228
People / sq mi
17.3%
College Educated
73.5%
Homeownership
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Frequently asked questions

Is Golden City, MO tap water safe to drink?

Golden City's water quality earned a grade of A (90.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #83 out of 509 cities tested in Missouri.

What contaminants are in Golden City's water?

Lead was measured at 1.5 ppb (90th percentile). 8 violations are on record.

How is Golden 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 Golden City?

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

Where does Golden City's water come from?

Golden City's water is sourced from Groundwater. The city has 1 water system serving approximately 680 residents.

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

Golden City has 3 health-based violations on record. The most recent violation was recorded in July 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is Golden City's groundwater at risk of contamination?

Golden City 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 8 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 Golden City's water compare to other cities?

Golden City ranks #83 out of 509 cities in Missouri (better than 84% of state cities) and #2317 out of 15744 cities nationally (85th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Golden City's small water system affect quality?

Golden City's system serves approximately 680 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 8 violations on record.