WaterVerge

Is Norwood, MO Tap Water Safe to Drink?

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

665 residents served 1 water system PWSID: MO5010585
Overall Score
85.8 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#208 of 509 in Missouri Top 33% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.8/100
waterverge.com
A- 85.8/100

Norwood, MO — Water Quality Report

Norwood's drinking water received a grade of A- (85.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 665 residents using groundwater.

Lead levels were measured at 6.1 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 9 violations on record, including 2 health-based violations. 2 remain unresolved.

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

What to know about Norwood's water

Norwood ranks #208 out of 509 cities in Missouri for water quality, placing it mid-range in the state.

Norwood 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.

While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.

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

Quality Breakdown

Water quality score

See methodology →
85.8 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.8/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 6.1 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 Norwood, MO water safe to drink?

Use Caution

Norwood's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (85.8/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 665 residents using groundwater (wells).

2
Active Violations
6.1 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Norwood

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Norwood's water quality assessment. Grade: A- (85.8/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper 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

Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

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

Key contaminant findings

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

Lead Elevated
Detected: 6.1 ppb Limit: 15 ppb (EPA Action Level)

Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.

Violation history

Norwood's water system has 9 total violations on record, including 2 health-based violations. 2 remain unresolved. 1 violation was issued in the last 5 years.

MRMCLOther
Most recent violations:
Oct 2024 Lead and Copper Rule Open
Jul 2015 Coliform (TCR) Resolved
Jul 2010 Coliform (TCR) Resolved
Apr 2005 Coliform (TCR) Resolved
Jul 2003 Gross Alpha, Excl. Radon and U Resolved

Flood & environmental risk

Wright County has experienced 5 federally declared disasters since 1993. 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 Norwood's water come from?

Norwood's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 665 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Norwood 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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Norwood'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
6.1 ppb
EPA Action Level: 15 ppb · 41% of limit
Safe Level
Compliance Record

Violation summary

9
Total violations
2
Health-based
2
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

9 Total
2 Active
2 Health-based
7 Resolved
Violations by category
Total Coliform Rule
6
Lead and Copper Rule
1
Radionuclides and Revised Rad Rule
1
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jul 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2015
Jul 2010 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2010
Apr 2005 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2005
Jul 2003 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2003
Feb 1998 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1998
Jul 1992 Resolved
Coliform (TCR)
Other Violation Resolved Jul 1992
Jul 1992 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 1992
Industrial pollution

Top industrial polluters within 10 miles of Norwood

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
HUTCHENS INDUSTRIES INC. MANSFIELD FACILITY
Transportation Equipment · HUTCHENS INDUSTRIES INC
MANSFIELD, MO65704
8.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

5
Declared disasters
Jun 2017
Most recent
Flood
Most common type

Wright County has experienced 5 federally declared disasters since 1993. 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

Recommended water filters

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

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 6.1 ppb
Read our guide →

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 6.1 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 2.7 ppb from 1993 (3.4 ppb) to 2024 (6.1 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
665
Water Systems
1
Water Source

Where Norwood's water comes from

Groundwater

Norwood'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 665 people through 1 water system.

Infrastructure

Water systems serving Norwood

System Name PWSID Population Source
NORWOOD PWS MO5010585 665 GW
Regional Comparison

How Norwood compares

Full Missouri rankings →

Norwood's score of 85.8/100 is above the average of 62/100 among major Missouri cities. It outscores 9 of 10 nearby cities.

Norwood (this city)
85.8
St. Louis
40.9
Columbia
61.4
Missouri avg
62
City Profile

About Norwood, MO

Economic Profile
$37,614
Median Income
$75,702
Median Home Value
$604/mo
Median Rent
10.5%
Unemployment
Community
29.8
Median Age
208
People / sq mi
13.8%
College Educated
65.3%
Homeownership
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Frequently asked questions

Is Norwood, MO tap water safe to drink?

Norwood's water quality earned a grade of A- (85.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #208 out of 509 cities tested in Missouri.

What contaminants are in Norwood's water?

Lead was measured at 6.1 ppb (90th percentile). 9 violations are on record.

How is Norwood'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 Norwood?

While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.

Where does Norwood's water come from?

Norwood's water is sourced from Groundwater. The city has 1 water system serving approximately 665 residents.

What health violations has Norwood's water system had?

Norwood has 2 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. 2 violations remain unresolved.

Is Norwood's groundwater at risk of contamination?

Norwood 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 9 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 Norwood's water compare to other cities?

Norwood ranks #208 out of 509 cities in Missouri (better than 59% of state cities) and #5125 out of 15744 cities nationally (68th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Norwood's small water system affect quality?

Norwood's system serves approximately 665 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 9 violations on record.