WaterVerge

Is Fairfax, SC Tap Water Safe to Drink?

Graded B, with 11 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: SC0310004
Overall Score
78.1 / 100
Violations
11 active
Last Updated
May 2026
Source
Groundwater
#150 of 196 in South Carolina Top 56% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
78.1/100
waterverge.com
B 78.1/100

Fairfax, SC — Water Quality Report

Fairfax's drinking water received a grade of B (78.1 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,962 residents using groundwater.

Lead levels were measured at 0.8 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 18 violations on record, including 1 health-based violation. 11 remain unresolved.

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

What to know about Fairfax's water

Fairfax ranks #150 out of 196 cities in South Carolina for water quality, placing it among the lowest-rated in the state.

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

The system has seen 6 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
78.1 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.1/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.8 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Fairfax, SC water safe to drink?

Concerns Identified

Fairfax's drinking water has significant quality concerns based on EPA testing data. With a grade of B (78.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,962 residents using groundwater (wells).

11
Active Violations
0.8 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Fairfax

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Fairfax's water quality assessment. Grade: B (78.1/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
2 drinking water violations recorded

Contaminants: E. COLI, Consumer Confidence Rule.

Disaster
HURRICANE HELENE

Federal disaster declaration (FEMA DR-4829). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
HURRICANE IDALIA

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

Key contaminant findings

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

Lead Within Limits
Detected: 0.8 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Fairfax's water system has 18 total violations on record, including 1 health-based violation. 11 remain unresolved. 6 violations were issued in the last 5 years.

RPTMROtherMCL
Most recent violations:
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 E. COLI Open
Oct 2024 Consumer Confidence Rule Open
Dec 2023 Lead and Copper Rule Open
Jul 2022 Consumer Confidence Rule Open

Flood & environmental risk

Allendale 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 Coosawhatchie River.

HURRICANE HELENE
Hurricane FEMA DR-4829
HURRICANE IDALIA
Hurricane FEMA DR-3597
HURRICANE IAN
Hurricane FEMA DR-4677

Where does Fairfax's water come from?

Fairfax's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,962 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Coosawhatchie River (river).

What Fairfax residents can do

Install a water filter

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

Fairfax'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
0.8 ppb
EPA Action Level: 15 ppb · 5% of limit
Safe Level
Compliance Record

Violation summary

18
Total violations
1
Health-based
11
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

18 Total
11 Active
1 Health-based
7 Resolved
Violations by category
Total Coliform Rule
7
Consumer Confidence Rule
4
Lead and Copper Rule
3
Lead and Copper Rule Revisions
1
Ground Water Rule
1
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2024 Active
Consumer Confidence Rule
Other Violation 0
Dec 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Oct 2021 Active
Consumer Confidence Rule
Other Violation 0
Jul 2009 Active
Consumer Confidence Rule
Other Violation 0
Apr 2008 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 1999 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 1996 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Aug 2005 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2005
Jul 2005 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2005
Aug 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1993
Jul 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1993
Jul 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1992
Mar 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1992
Feb 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1992
Industrial pollution

Top industrial polluters within 10 miles of Fairfax

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
COLLUMS LUMBER MILL INC.
Wood Products · COLLUM'S LUMBER MILL INC
ALLENDALE, SC29810
6.7 mi
WEST FRASER EWP - ALLENDALE
Wood Products · WEST FRASER (USA) INC
FAIRFAX, SC29827
2.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Fairfax

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Drought conditions

D4 — exceptional drought

Allendale County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 9.5% of the county is in D4 (exceptional) drought. Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

14
Weeks at D2+ (current streak)
17.2%
Months in D2+ (last 30y)
14
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
Sep 2024
Most recent
Hurricane
Most common type

Allendale 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.

Sep 2024
HURRICANE HELENE
Hurricane FEMA #4829
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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.8 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 5.6 ppb from 1992 (6.4 ppb) to 2023 (0.8 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,962
Water Systems
1
Water Source

Where Fairfax's water comes from

Groundwater

Fairfax'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 1,962 people through 1 water system.

Local Hydrology

Water bodies near Fairfax

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

Coosawhatchie River
river
Infrastructure

Water systems serving Fairfax

System Name PWSID Population Source
FAIRFAX TOWN OF (SC0310004) SC0310004 1,962 GW
Regional Comparison

How Fairfax compares

Full South Carolina rankings →

Fairfax's score of 78.1/100 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.

Fairfax (this city)
78.1
Greenville
92.1
Charleston
82.8
Columbia
37.1
Conway
67.5
Okatie
83.8
South Carolina avg
77
City Profile

About Fairfax, SC

Economic Profile
$42,760
Median Income
$56,133
Median Home Value
$782/mo
Median Rent
14.9%
Unemployment
Community
43.7
Median Age
237
People / sq mi
7.9%
College Educated
57.9%
Homeownership
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Frequently asked questions

Is Fairfax, SC tap water safe to drink?

Fairfax's water quality earned a grade of B (78.1/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #150 out of 196 cities tested in South Carolina.

What contaminants are in Fairfax's water?

Lead was measured at 0.8 ppb (90th percentile). 18 violations are on record.

How is Fairfax'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 Fairfax?

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

Where does Fairfax's water come from?

Fairfax's water is sourced from Groundwater. The city has 1 water system serving approximately 1,962 residents.

What health violations has Fairfax's water system had?

Fairfax has 1 health-based violation on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 11 violations remain unresolved.

Is Fairfax's groundwater at risk of contamination?

Fairfax 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 18 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 Fairfax's water compare to other cities?

Fairfax ranks #150 out of 196 cities in South Carolina (better than 23% of state cities) and #8793 out of 15744 cities nationally (44th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Fairfax's small water system affect quality?

Fairfax's system serves approximately 1,962 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 18 violations on record.