WaterVerge

Is Helena, SC Tap Water Safe to Drink?

Graded B+, with 8 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 1 water system PWSID: SC0750013
Overall Score
82 / 100
Violations
8 active
Last Updated
May 2026
Source
Purchased surface water
#130 of 196 in South Carolina Top 46% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
82/100
waterverge.com
B+ 82/100

Helena, SC — Water Quality Report

Helena's drinking water received a grade of B+ (82 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,039 residents using purchased surface water.

Lead levels were measured at 4.3 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 13 violations on record, including 5 health-based violations. 8 remain unresolved.

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

What to know about Helena's water

Helena ranks #130 out of 196 cities in South Carolina for water quality, placing it below average in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

As a small community water system, Helena may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
82 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 4.3 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Helena, SC water safe to drink?

Concerns Identified

Helena's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,039 residents using surface water (rivers, lakes, or reservoirs).

8
Active Violations
4.3 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Helena

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Helena's water quality assessment. Grade: B+ (82/100).

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: TTHM.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Key contaminant findings

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

Lead Within Limits
Detected: 4.3 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Helena's water system has 13 total violations on record, including 5 health-based violations. 8 remain unresolved.

MRMCLOtherTT
Most recent violations:
Feb 2016 TTHM Open
Dec 2012 Coliform (TCR) Resolved
Jul 2012 Coliform (TCR) Resolved
Jul 2011 Coliform (TCR) Resolved
Sep 2010 Coliform (TCR) Resolved

Flood & environmental risk

Charleston 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.

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

Where does Helena's water come from?

Helena's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,039 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Helena residents can do

Install a water filter

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

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Helena'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
4.3 ppb
EPA Action Level: 15 ppb · 29% of limit
Safe Level
Compliance Record

Violation summary

13
Total violations
5
Health-based
8
Active / unresolved
Feb 2016
Most recent violation
Compliance Record

Violations & advisories

13 Total
8 Active
5 Health-based
5 Resolved
Violations by category
Total Coliform Rule
5
Stage 2 Disinfectants and Disinfection Byproducts Rule
3
Lead and Copper Rule
3
Consumer Confidence Rule
1
Feb 2016 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2009 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Apr 2007 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2005 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jan 1999 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 1997 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Dec 2012 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 2012
Jul 2012 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2012
Jul 2011 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2011
Sep 2010 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2010
Aug 1997 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 1997
Industrial pollution

Top industrial polluters within 10 miles of Helena

Industrial polluters nearby

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

Total reported releases to surface water: 242 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
KRAFT HEINZ CO
Food · THE KRAFT HEINZ CO
NEWBERRY, SC29108
Ammonia2391.8 mi
KISWIRE INC
Primary Metals · KISWIRE AMERICA INC
NEWBERRY, SC29108
Zinc compounds35.6 mi
MACLEAN POWER SYSTEMS LLC
Electrical Equipment · FARADAY TOPCO LLC
NEWBERRY, SC29108
0.5 mi
VALMONT COMPOSITE STRUCTURES NEWBERRY
Plastics and Rubber · VALMONT INDUSTRIES INC
NEWBERRY, SC29108
2.5 mi
DONCASTERS TRUCAST INC
Primary Metals · DONCASTERS LTD
NEWBERRY, SC29108
5.6 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D4 — exceptional drought

Beaufort County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 24.8% 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)
17.5%
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
Aug 2023
Most recent
Hurricane
Most common type

Charleston 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) 4.3 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 8.7 ppb from 1993 (13.0 ppb) to 2024 (4.3 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
1,039
Water Systems
1
Water Source

Where Helena's water comes from

Purchased Surface Water

Helena's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 1,039 people through 1 water system.

Infrastructure

Water systems serving Helena

System Name PWSID Population Source
HARBOR ISLAND (SC0750013) SC0750013 1,039 SWP
Regional Comparison

How Helena compares

Full South Carolina rankings →

Helena's score of 82/100 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.

Helena (this city)
82
Greenville
92.1
Charleston
82.8
Columbia
37.1
Conway
67.5
Okatie
83.8
South Carolina avg
77
City Profile

About Helena, SC

Wikipedia →

Kiawah is a sea island, or barrier island, on the Atlantic coast of the United States. Located 25 miles (40 km) southwest of Charleston in Charleston County, South Carolina, it is a seasonal beach and golf community. It is home to the Kiawah Island Golf Resort, with vacation houses and condos, beaches, golf courses, and other resort-like amenities. As of the 2020 census, Kiawah Island's full-time population was 2,013, up from 1,163 at the 2000 census. During the busy season, the population balloons to over 10,000. The island is part of the Charleston-North Charleston, SC Metropolitan Statistical Area. Alternative spellings and variants of the name itself include "Kiawa", "Kittiwar", and "Kittiwah". The island, has a per capita income of $47,782, the fifth highest in South Carolina.

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Frequently asked questions

Is Helena, SC tap water safe to drink?

Helena's water quality earned a grade of B+ (82/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #130 out of 196 cities tested in South Carolina.

What contaminants are in Helena's water?

Lead was measured at 4.3 ppb (90th percentile). 13 violations are on record.

How is Helena'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 Helena?

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

Where does Helena's water come from?

Helena's water is sourced from Purchased surface water. The city has 1 water system serving approximately 1,039 residents.

What health violations has Helena's water system had?

Helena has 5 health-based violations on record. The most recent violation was recorded in February 2016. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 8 violations remain unresolved.

How does Helena's water compare to other cities?

Helena ranks #130 out of 196 cities in South Carolina (better than 34% of state cities) and #7226 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.

Does Helena's small water system affect quality?

Helena's system serves approximately 1,039 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 13 violations on record.