WaterVerge

Is Nichols, SC 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 ↓

678 residents served 1 water system PWSID: SC3310003
Overall Score
91.5 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#30 of 196 in South Carolina Top 11% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
91.5/100
waterverge.com
A 91.5/100

Nichols, SC — Water Quality Report

Nichols's drinking water received a grade of A (91.5 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 678 residents using groundwater.

Lead levels were measured at 1.6 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 5 violations on record, including 0 health-based violations. 2 remain unresolved.

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

What to know about Nichols's water

Nichols ranks #30 out of 196 cities in South Carolina for water quality, placing it above average in the state.

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

Quality Breakdown

Water quality score

See methodology →
91.5 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.5/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.6 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 Nichols, SC water safe to drink?

Use Caution

Nichols's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (91.5/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 678 residents using groundwater (wells).

2
Active Violations
1.6 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Nichols

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Nichols's water quality assessment. Grade: A (91.5/100).

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
1 drinking water violation recorded

Contaminants: Stage 2 Disinfectants and Disinfection Byproducts Rule.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Key contaminant findings

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

Lead Within Limits
Detected: 1.6 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Nichols's water system has 5 total violations on record, including 0 health-based violations. 2 remain unresolved.

MR
Most recent violations:
Oct 2007 Stage 2 Disinfectants and Disinfection Byproducts Rule Open
Sep 1994 Coliform (TCR) Resolved
May 1992 Coliform (TCR) Resolved
Feb 1992 Coliform (TCR) Resolved

Flood & environmental risk

Horry 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 Crabtree Swamp, Waccamaw River, Aiw.

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

Where does Nichols's water come from?

Nichols's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 678 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Crabtree Swamp (river), Waccamaw River (river), Aiw (stream).

What Nichols 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.

Monitor alerts during storms

Nichols'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
1.6 ppb
EPA Action Level: 15 ppb · 11% of limit
Safe Level
Compliance Record

Violation summary

5
Total violations
0
Health-based
2
Active / unresolved
Oct 2007
Most recent violation
Compliance Record

Violations & advisories

5 Total
2 Active
0 Health-based
3 Resolved
Violations by category
Total Coliform Rule
3
Stage 2 Disinfectants and Disinfection Byproducts Rule
1
Oct 2007 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Sep 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1994
May 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 1992
Feb 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1992
Environmental Risk

Drought conditions

D3 — extreme drought

Marion 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.

12
Weeks at D2+ (current streak)
14.2%
Months in D2+ (last 30y)
12
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

Horry 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 #4464
Sep 2019
HURRICANE DORIAN
Hurricane FEMA #3421
Sep 2018
HURRICANE FLORENCE
Hurricane FEMA #4394

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.6 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 2024 (1.6 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
678
Water Systems
1
Water Source

Where Nichols's water comes from

Groundwater

Nichols'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 678 people through 1 water system.

Local Hydrology

Water bodies near Nichols

Nichols is located near 3 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Crabtree Swamp
river
Waccamaw River
river
Aiw
stream
Infrastructure

Water systems serving Nichols

System Name PWSID Population Source
GSW&SA-NICHOLS TOWN OF (SC3310003) SC3310003 678 GW
Regional Comparison

How Nichols compares

Full South Carolina rankings →

Nichols's score of 91.5/100 is above the average of 77/100 among major South Carolina cities. It outscores 8 of 10 nearby cities.

Nichols (this city)
91.5
Greenville
92.1
Charleston
82.8
Columbia
37.1
Conway
67.5
Okatie
83.8
South Carolina avg
77
City Profile

About Nichols, SC

Wikipedia →

Conway is a city in and the county seat of Horry County, South Carolina, United States. The population was 24,849 at the 2020 census, up from 17,103 in the 2010 census, making it the 18th-most populous city in the state. The city is part of the Myrtle Beach Metro Area. It is the home of Coastal Carolina University.

Economic Profile
$42,981
Median Income
$87,039
Median Home Value
4.1%
Unemployment
Community
51.8
Median Age
46
People / sq mi
19.3%
College Educated
85.2%
Homeownership
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Frequently asked questions

Is Nichols, SC tap water safe to drink?

Nichols's water quality earned a grade of A (91.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #30 out of 196 cities tested in South Carolina.

What contaminants are in Nichols's water?

Lead was measured at 1.6 ppb (90th percentile). 5 violations are on record.

How is Nichols'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 Nichols?

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

Where does Nichols's water come from?

Nichols's water is sourced from Groundwater. The city has 1 water system serving approximately 678 residents.

Is Nichols's groundwater at risk of contamination?

Nichols 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 5 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 Nichols's water compare to other cities?

Nichols ranks #30 out of 196 cities in South Carolina (better than 85% of state cities) and #1682 out of 15744 cities nationally (89th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Nichols's small water system affect quality?

Nichols's system serves approximately 678 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 5 violations on record.