WaterVerge

Is Summerton, SC Tap Water Safe to Drink?

Graded B+, with 14 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 3 water systems PWSID: SC1410003
Overall Score
81.8 / 100
Violations
14 active
Last Updated
May 2026
Source
Groundwater
#132 of 196 in South Carolina Top 47% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
81.8/100
waterverge.com
B+ 81.8/100

Summerton, SC — Water Quality Report

Summerton's drinking water received a grade of B+ (81.8 out of 100), indicating good water quality. The city's 3 water systems serve approximately 3,032 residents using groundwater.

Lead levels were measured at 0.4 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 33 violations on record, including 3 health-based violations. 14 remain unresolved.

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

What to know about Summerton's water

Summerton ranks #132 out of 196 cities in South Carolina for water quality, placing it below average in the state.

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

The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
81.8 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.8/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.4 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Summerton, SC water safe to drink?

Concerns Identified

Summerton's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (81.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 3,032 residents using groundwater (wells).

14
Active Violations
0.4 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Summerton

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Summerton's water quality assessment. Grade: B+ (81.8/100).

Disaster
HURRICANE IDALIA

Federal disaster declaration (FEMA DR-3597). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE IAN

Federal disaster declaration (FEMA DR-4677). Hurricane event — may have impacted local water infrastructure.

Violation
3 drinking water violations recorded

Contaminants: Consumer Confidence Rule.

Violation
3 drinking water violations recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Key contaminant findings

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

Lead Within Limits
Detected: 0.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Summerton's water system has 33 total violations on record, including 3 health-based violations. 14 remain unresolved. 7 violations were issued in the last 5 years.

OtherMRMCL
Most recent violations:
Oct 2022 Consumer Confidence Rule Open
Oct 2022 Consumer Confidence Rule Open
Oct 2022 Consumer Confidence Rule Open
Jul 2022 Consumer Confidence Rule Open
Jul 2022 Consumer Confidence Rule Open

Flood & environmental risk

Clarendon County has experienced 10 federally declared disasters since 2016. 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 Pocotaligo River.

HURRICANE IDALIA
Hurricane FEMA DR-3597
HURRICANE IAN
Hurricane FEMA DR-4677
HURRICANE IAN
Hurricane FEMA DR-3585

Where does Summerton's water come from?

Summerton's drinking water comes from groundwater (wells), supplied by 3 water systems serving approximately 3,032 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Pocotaligo River (river).

What Summerton residents can do

Install a water filter

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

Summerton'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
0.4 ppb
EPA Action Level: 15 ppb · 3% of limit
Safe Level
Compliance Record

Violation summary

33
Total violations
3
Health-based
14
Active / unresolved
Oct 2022
Most recent violation
Compliance Record

Violations & advisories

33 Total
14 Active
3 Health-based
19 Resolved
Violations by category
Total Coliform Rule
16
Consumer Confidence Rule
7
Lead and Copper Rule
5
Stage 1 Disinfectants and Disinfection Byproducts Rule
1
Ground Water Rule
1
Oct 2022 Active
Consumer Confidence Rule
Other Violation 0
Oct 2022 Active
Consumer Confidence Rule
Other Violation 0
Oct 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Aug 2017 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 2003 Active
Consumer Confidence Rule
Other Violation 0
Jan 1997 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Jul 2021 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2021
Oct 2013 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2013
Jan 2005 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Mar 2005
Apr 2001 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2001
Mar 2001 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2001
Mar 2001 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Mar 2001
Showing 20 of 33 violations
Environmental Risk

Drought conditions

D3 — extreme drought

Clarendon County is currently in D3 (extreme drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

5
Weeks at D2+ (current streak)
14.2%
Months in D2+ (last 30y)
8
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

10
Declared disasters
Aug 2023
Most recent
Hurricane
Most common type

Clarendon County has experienced 10 federally declared disasters since 2016. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Aug 2023
HURRICANE IDALIA
Hurricane FEMA #3597
Nov 2022
HURRICANE IAN
Hurricane FEMA #4677
Sep 2022
HURRICANE IAN
Hurricane FEMA #3585
Sep 2019
HURRICANE DORIAN
Hurricane FEMA #3421
Sep 2018
HURRICANE FLORENCE
Hurricane FEMA #4394
Sep 2018
HURRICANE FLORENCE
Hurricane FEMA #3400

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.4 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 increased by 1.6 ppb from 1994 (0.0 ppb) to 2025 (1.6 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,032
Water Systems
3
Water Source

Where Summerton's water comes from

Groundwater

Summerton'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 3,032 people through 3 water systems.

Local Hydrology

Water bodies near Summerton

Summerton is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Pocotaligo River
river
Infrastructure

Water systems serving Summerton

System Name PWSID Population Source
SUMMERTON TOWN OF (SC1410003) SC1410003 2,096 GW
GIN POND SHORES WATER CO (SC1450005) SC1450005 664 GW
NORTH SHORE WATER SYS (SC1470863) SC1470863 272 GW
Regional Comparison

How Summerton compares

Full South Carolina rankings →

Summerton's score of 81.8/100 is on par with the average of 77/100 among major South Carolina cities. It outscores 4 of 10 nearby cities. 6 of 10 nearby cities score higher.

Summerton (this city)
81.8
Greenville
92.1
Charleston
82.8
Columbia
37.1
Conway
67.5
Okatie
83.8
South Carolina avg
77
City Profile

About Summerton, SC

Wikipedia →

Summerton is a town in Clarendon County, South Carolina, United States. Per the 2020 census, the population was 814.

Economic Profile
$36,164
Median Income
$390/mo
Median Rent
21.8%
Unemployment
Community
42.4
Median Age
204
People / sq mi
34.8%
College Educated
52.2%
Homeownership
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Frequently asked questions

Is Summerton, SC tap water safe to drink?

Summerton's water quality earned a grade of B+ (81.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #132 out of 196 cities tested in South Carolina.

What contaminants are in Summerton's water?

Lead was measured at 0.4 ppb (90th percentile). 33 violations are on record.

How is Summerton'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 Summerton?

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

Where does Summerton's water come from?

Summerton's water is sourced from Groundwater. The city has 3 water systems serving approximately 3,032 residents.

What health violations has Summerton's water system had?

Summerton has 3 health-based violations on record. The most recent violation was recorded in October 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 14 violations remain unresolved.

Is Summerton's groundwater at risk of contamination?

Summerton 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 33 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 Summerton's water compare to other cities?

Summerton ranks #132 out of 196 cities in South Carolina (better than 33% of state cities) and #7301 out of 15744 cities nationally (54th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.