WaterVerge

Is Summerfield, MO Tap Water Safe to Drink?

Graded C, with 28 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 10 water systems PWSID: FL3420761
Overall Score
62.5 / 100
Violations
28 active
Last Updated
May 2026
Source
Groundwater
#438 of 509 in Missouri Top 76% nationally
Public/Private
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
CGRADE
Water Quality Grade
62.5/100
waterverge.com
C 62.5/100

Summerfield, MO — Water Quality Report

Summerfield's drinking water received a grade of C (62.5 out of 100), indicating fair water quality. The city's 10 water systems serve approximately 2,618 residents using groundwater.

Lead levels were measured at 2.4 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 135 violations on record, including 7 health-based violations. 28 remain unresolved.

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

What to know about Summerfield's water

Summerfield ranks #438 out of 509 cities in Missouri for water quality, placing it among the lowest-rated in the state.

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

The system has seen 10 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
62.5 out of 100 Grade C
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
18/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.4 ppb (90th percentile).
Contaminants
14.5/20
C
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 Summerfield, MO water safe to drink?

Concerns Identified

Summerfield's drinking water has significant quality concerns based on EPA testing data. With a grade of C (62.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 10 water systems serve approximately 2,618 residents using groundwater (wells).

28
Active Violations
2.4 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Summerfield

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Summerfield's water quality assessment. Grade: C (62.5/100).

Violation
1 drinking water violation recorded

Contaminants: E. COLI.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
2 drinking water violations recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Disaster
HURRICANE MILTON

Federal disaster declaration (FEMA DR-4844). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE MILTON

Federal disaster declaration (FEMA DR-4834). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 2.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Summerfield's water system has 135 total violations on record, including 7 health-based violations. 28 remain unresolved. 10 violations were issued in the last 5 years.

MROtherTTRPTMONMCL
Most recent violations:
Sep 2025 E. COLI Resolved
Jul 2025 Consumer Confidence Rule Open
Feb 2025 LEAD AND COPPER RULE REVISIONS Open
Feb 2025 LEAD AND COPPER RULE REVISIONS Open
Jan 2025 Lead and Copper Rule Open

Flood & environmental risk

Seminole County has experienced 10 federally declared disasters since 2022. 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 Lt Econlockhatchee R, Howell Creek, Soldier Creek, Gee Creek, St. Johns River.

HURRICANE MILTON
Hurricane FEMA DR-4844
HURRICANE MILTON
Hurricane FEMA DR-4834
HURRICANE MILTON
Hurricane FEMA DR-3623

Where does Summerfield's water come from?

Summerfield's drinking water comes from groundwater (wells), supplied by 10 water systems serving approximately 2,618 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Lt Econlockhatchee R (river), Howell Creek (river), Soldier Creek (river), Gee Creek (river), St. Johns River (river).

What Summerfield residents can do

Install a water filter

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

Summerfield'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
2.4 ppb
EPA Action Level: 15 ppb · 16% of limit
Safe Level
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
0.0 µg/L
EPA MCL: 60 µg/L · 0% of limit
Within LimitUCMR 4 DataHAA6Br: 0.0 µg/LHAA9: 0.0 µg/L
Compliance Record

Violation summary

135
Total violations
7
Health-based
28
Active / unresolved
Sep 2025
Most recent violation
Compliance Record

Violations & advisories

135 Total
28 Active
7 Health-based
107 Resolved
4 SNC
Violations by category
Total Coliform Rule
33
Inorganic Chemicals
30
Stage 2 Disinfectants and Disinfection Byproducts Rule
13
Stage 1 Disinfectants and Disinfection Byproducts Rule
8
Ground Water Rule
7
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Feb 2025 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Feb 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jan 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Nov 2018 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Nov 2018 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Nov 2018 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2014 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Jul 2010 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2009 Active
Consumer Confidence Rule
Other Violation 0
Jan 2008 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Jun 2006 Active
Consumer Confidence Rule
Other Violation 0
Jun 2005 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Showing 20 of 135 violations
Environmental Risk

Flood & disaster history

10
Declared disasters
Nov 2024
Most recent
Hurricane
Most common type

Seminole County has experienced 10 federally declared disasters since 2022. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Nov 2024
HURRICANE MILTON
Hurricane FEMA #4844
Oct 2024
HURRICANE MILTON
Hurricane FEMA #4834
Oct 2024
HURRICANE MILTON
Hurricane FEMA #3623
Oct 2024
HURRICANE MILTON
Hurricane FEMA #3622
Aug 2023
HURRICANE IDALIA
Hurricane FEMA #4734
Dec 2022
HURRICANE NICOLE
Hurricane FEMA #4680

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.4 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 6.0 ppb from 1993 (6.0 ppb) to 2025 (0.0 ppb).
Contaminant Rankings

See how Summerfield compares by contaminant

Explore where Summerfield ranks among all Missouri cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Public/Private
Population Served
2,618
Water Systems
10
Water Source

Where Summerfield's water comes from

Groundwater

Summerfield'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 public/private ownership and serves approximately 2,618 people through 10 water systems.

Local Hydrology

Water bodies near Summerfield

Summerfield is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Lt Econlockhatchee R
river
Howell Creek
river
Soldier Creek
river
Gee Creek
river
St. Johns River
river
Infrastructure

Water systems serving Summerfield

System Name PWSID Population Source
LITTLE LAKE WEIR SUBDIVISION FL3420761 1,138 GW
BELLEVIEW HILLS ESTATES FL3424839 523 GW
FAIRFAX HILLS SUBDIVISION FL3424042 287 GW
HILLTOP ESTATES MHP S/D FL3424648 230 GW
LOCH HARBOUR UTILITIES FL3420767 110 GW
MARION HILLS FL3424001 102 GW
PARADISE MHP FL3424061 95 GW
HIGH HOPES MOBILE HOME PARK FL3424655 68 GW
SUMMERFIELD PINES FL3424649 40 GW
SUNSET HARBOR WATER SYSTEM FL3425111 25 GW
Regional Comparison

How Summerfield compares

Full Missouri rankings →

Summerfield's score of 62.5/100 is on par with the average of 62/100 among major Missouri cities. It outscores 5 of 10 nearby cities.

Summerfield (this city)
62.5
St. Louis
40.9
Columbia
61.4
Missouri avg
62
City Profile

About Summerfield, MO

Wikipedia →

Longwood is a city in Seminole County, Florida, United States. It is part of the Orlando–Kissimmee–Sanford, Florida Metropolitan Statistical Area. The population was 15,087 at the 2020 census.

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Frequently asked questions

Is Summerfield, MO tap water safe to drink?

Summerfield's water quality earned a grade of C (62.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #438 out of 509 cities tested in Missouri.

What contaminants are in Summerfield's water?

Lead was measured at 2.4 ppb (90th percentile). 135 violations are on record.

How is Summerfield'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 Summerfield?

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

Where does Summerfield's water come from?

Summerfield's water is sourced from Groundwater. The city has 10 water systems serving approximately 2,618 residents.

What health violations has Summerfield's water system had?

Summerfield has 7 health-based violations on record. The most recent violation was recorded in September 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 28 violations remain unresolved.

Is Summerfield's groundwater at risk of contamination?

Summerfield 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 135 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 Summerfield's water compare to other cities?

Summerfield ranks #438 out of 509 cities in Missouri (better than 14% of state cities) and #11871 out of 15744 cities nationally (25th percentile). The grade of C reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.