WaterVerge

Is Holly Hill, SC Tap Water Safe to Drink?

Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: SC3810002
Overall Score
94.4 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#10 of 196 in South Carolina Top 3% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
94.4/100
waterverge.com
A 94.4/100

Holly Hill, SC — Water Quality Report

Holly Hill's drinking water received a grade of A (94.4 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,710 residents using groundwater.

Lead levels were measured at 1.7 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 7 violations on record, including 0 health-based violations. 1 remains unresolved.

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

What to know about Holly Hill's water

Holly Hill ranks #10 out of 196 cities in South Carolina for water quality, placing it one of the best in the state.

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

Quality Breakdown

Water quality score

See methodology →
94.4 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.4/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.7 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Holly Hill, SC water safe to drink?

Use Caution

Holly Hill's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (94.4/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,710 residents using groundwater (wells).

1
Active Violations
1.7 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Holly Hill

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Holly Hill's water quality assessment. Grade: A (94.4/100).

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4858). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE HELENE

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

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

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 Holly Hill's water supply.

Lead Within Limits
Detected: 1.7 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Holly Hill's water system has 7 total violations on record, including 0 health-based violations. 1 remain unresolved.

MR
Most recent violations:
Feb 2000 Coliform (TCR) Resolved
Aug 1995 Coliform (TCR) Resolved
Jul 1995 Coliform (TCR) Resolved
Jun 1995 Coliform (TCR) Resolved
Apr 1995 Coliform (TCR) Resolved

Flood & environmental risk

Orangeburg County has experienced 10 federally declared disasters since 2017. 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 AND FLOODING
Flood FEMA DR-4858
HURRICANE HELENE
Hurricane FEMA DR-4829
HURRICANE IDALIA
Hurricane FEMA DR-3597

Where does Holly Hill's water come from?

Holly Hill's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,710 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Holly Hill 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

Holly Hill'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
1.7 ppb
EPA Action Level: 15 ppb · 11% of limit
Safe Level
Compliance Record

Violation summary

7
Total violations
0
Health-based
1
Active / unresolved
Feb 2000
Most recent violation
Compliance Record

Violations & advisories

7 Total
1 Active
0 Health-based
6 Resolved
Active
Compliance Violation
Monitoring 0
Feb 2000 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2000
Aug 1995 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1995
Jul 1995 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1995
Jun 1995 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1995
Apr 1995 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 1995
Aug 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1994
Industrial pollution

Top industrial polluters within 10 miles of Holly Hill

Industrial polluters nearby

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

Total reported releases to surface water: 0 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
ADAMS AN OLDCASTLE CO - HOLLY HILL
Nonmetallic Mineral Product · CRH AMERICAS INC
HOLLY HILL, SC29059
Lead00.4 mi
CAROLINA POLE INC
Wood Products · KOPPERS INC
EUTAWVILLE, SC29048
4.9 mi
HOLCIM (US) INC HOLLY HILL PLANT
Nonmetallic Mineral Product · HOLCIM PARTICIPATIONS (US) INC
HOLLY HILL, SC29059
3.6 mi
LONGLEAF PACKGING
Nonmetallic Mineral Product · NA
VANCE, SC29163
8.1 mi
ARGOS CEMENT HARLEYVILLE PLANT
Nonmetallic Mineral Product · SUMMIT MATERIALS LLC
HARLEYVILLE, SC29448
7.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Orangeburg 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.

14
Weeks at D2+ (current streak)
16.3%
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
Jan 2025
Most recent
Hurricane
Most common type

Orangeburg County has experienced 10 federally declared disasters since 2017. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jan 2025
SEVERE STORMS AND FLOODING
Flood FEMA #4858
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 #3421

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.7 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 3.3 ppb from 1993 (5.0 ppb) to 2024 (1.7 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,710
Water Systems
1
Water Source

Where Holly Hill's water comes from

Groundwater

Holly Hill'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 1,710 people through 1 water system.

Infrastructure

Water systems serving Holly Hill

System Name PWSID Population Source
HOLLY HILL TOWN OF (SC3810002) SC3810002 1,710 GW
Regional Comparison

How Holly Hill compares

Full South Carolina rankings →

Holly Hill's score of 94.4/100 is above the average of 77/100 among major South Carolina cities. It outscores 10 of 10 nearby cities.

Holly Hill (this city)
94.4
Greenville
92.1
Charleston
82.8
Columbia
37.1
Conway
67.5
Okatie
83.8
South Carolina avg
77
City Profile

About Holly Hill, SC

Economic Profile
$24,185
Median Income
$158,983
Median Home Value
$611/mo
Median Rent
6.5%
Unemployment
Community
32.5
Median Age
409
People / sq mi
19.6%
College Educated
51.8%
Homeownership
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Frequently asked questions

Is Holly Hill, SC tap water safe to drink?

Holly Hill's water quality earned a grade of A (94.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #10 out of 196 cities tested in South Carolina.

What contaminants are in Holly Hill's water?

Lead was measured at 1.7 ppb (90th percentile). 7 violations are on record.

How is Holly Hill'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 Holly Hill?

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

Where does Holly Hill's water come from?

Holly Hill's water is sourced from Groundwater. The city has 1 water system serving approximately 1,710 residents.

Is Holly Hill's groundwater at risk of contamination?

Holly Hill 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 7 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 Holly Hill's water compare to other cities?

Holly Hill ranks #10 out of 196 cities in South Carolina (better than 95% of state cities) and #507 out of 15744 cities nationally (97th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Holly Hill's small water system affect quality?

Holly Hill's system serves approximately 1,710 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 7 violations on record.