WaterVerge

Is Glenwood, MO Tap Water Safe to Drink?

Graded B+, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

728 residents served 1 water system PWSID: MO2010450
Overall Score
83 / 100
Violations
4 active
Last Updated
May 2026
Source
Purchased surface water
#276 of 509 in Missouri Top 43% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
83/100
waterverge.com
B+ 83/100

Glenwood, MO — Water Quality Report

Glenwood's drinking water received a grade of B+ (83 out of 100), indicating good water quality. The city's 1 water system serves approximately 728 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 6 violations on record, including 1 health-based violation. 4 remain unresolved.

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

What to know about Glenwood's water

Glenwood ranks #276 out of 509 cities in Missouri for water quality, placing it below average 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, Glenwood may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
83 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42/45
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 Glenwood, MO water safe to drink?

Concerns Identified

Glenwood's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (83/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 728 residents using surface water (rivers, lakes, or reservoirs).

4
Active Violations
0.0 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Glenwood

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Glenwood's water quality assessment. Grade: B+ (83/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3232). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-995). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Glenwood's water system has 6 total violations on record, including 1 health-based violation. 4 remain unresolved. 2 violations were issued in the last 5 years.

MROtherTT
Most recent violations:
Oct 2024 Lead and Copper Rule Open
Jul 2022 Consumer Confidence Rule Open
Jul 2020 Consumer Confidence Rule Open
Feb 2012 Coliform (TCR) Resolved
Dec 1997 Surface Water Treatment Rule Resolved

Flood & environmental risk

Schuyler County has experienced 3 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.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3232
SEVERE STORMS & FLOODING
Flood FEMA DR-995
SEVERE STORMS & FLOODING
Flood FEMA DR-407

Where does Glenwood's water come from?

Glenwood's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 728 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Glenwood residents can do

Install a water filter

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

Glenwood'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

6
Total violations
1
Health-based
4
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

6 Total
4 Active
1 Health-based
2 Resolved
Violations by category
Consumer Confidence Rule
2
Lead and Copper Rule
1
Total Coliform Rule
1
Surface Water Treatment Rule
1
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2020 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Feb 2012 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2012
Dec 1997 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Dec 1997
Environmental Risk

Flood & disaster history

3
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Schuyler County has experienced 3 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3232
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #995
Nov 1973
SEVERE STORMS & FLOODING
Flood FEMA #407

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).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
728
Water Systems
1
Water Source

Where Glenwood's water comes from

Purchased Surface Water

Glenwood'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 728 people through 1 water system.

Infrastructure

Water systems serving Glenwood

System Name PWSID Population Source
LANCASTER PWS MO2010450 728 SWP
Regional Comparison

How Glenwood compares

Full Missouri rankings →

Glenwood's score of 83/100 is above the average of 62/100 among major Missouri cities. It outscores 9 of 10 nearby cities.

Glenwood (this city)
83
St. Louis
40.9
Columbia
61.4
Missouri avg
62
City Profile

About Glenwood, MO

Wikipedia →

Lancaster is a city in and the county seat of Schuyler County, Missouri, United States. As of the 2020 census, its population was 675.

Economic Profile
$29,063
Median Income
$130,150
Median Home Value
$419/mo
Median Rent
2.6%
Unemployment
Community
37.4
Median Age
130
People / sq mi
21.6%
College Educated
62.6%
Homeownership
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Frequently asked questions

Is Glenwood, MO tap water safe to drink?

Glenwood's water quality earned a grade of B+ (83/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #276 out of 509 cities tested in Missouri.

What contaminants are in Glenwood's water?

Lead was measured at 0.0 ppb (90th percentile). 6 violations are on record.

How is Glenwood'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 Glenwood?

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

Where does Glenwood's water come from?

Glenwood's water is sourced from Purchased surface water. The city has 1 water system serving approximately 728 residents.

What health violations has Glenwood's water system had?

Glenwood has 1 health-based violation 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. 4 violations remain unresolved.

How does Glenwood's water compare to other cities?

Glenwood ranks #276 out of 509 cities in Missouri (better than 46% of state cities) and #6670 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.

Does Glenwood's small water system affect quality?

Glenwood's system serves approximately 728 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 6 violations on record.