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DeutschAddress report

States / South Carolina

Charleston County, SC

The federal environmental record for Charleston County (population 424,367): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.

3

Superfund NPL sites

34

federal cleanup sites

7

PFAS-detecting water systems

29

TRI facilities

77

open tank releases

Superfund NPL sites

SiteCityStatusListed
Geiger (C & M Oil)Rantoulesdeleted09/21/1984
Koppers Co., Inc. (Charleston Plant)Charlestonon the NPL12/16/1994
Macalloy CorporationNorth Charlestonon the NPL02/04/2000

Drinking water: PFAS testing

Public water systems serving Charleston with at least one PFAS detection under UCMR5. The federal limit for PFOA and PFOS is 4 ng/L; EPA proposed in May 2026 to rescind the limits for the other compounds, which are shown for information.

SystemHighest resultsReading
CHARLESTON WATER SYSTEM (SC1010001)

SC1010001

PFOS: 6.5 ng/L

PFPeA: 5 ng/L

PFOA: 4.7 ng/L

above final limit
MT PLEASANT WATER WORKS (1010002)

SC1010002

PFOS: 8.4 ng/L

PFBA: 6.3 ng/L

PFPeA: 6 ng/L

above final limit
ISLE OF PALMS W/S COMM (SC1010004)

SC1010004

PFOS: 8 ng/L

PFPeA: 7.5 ng/L

PFBA: 6.8 ng/L

above final limit
FOLLY BEACH CITY OF (1010005)

SC1010005

PFOS: 8.1 ng/L

PFPeA: 7.3 ng/L

PFHxA: 6.1 ng/L

above final limit
KIAWAH ISLAND UTILITY (SC1010008)

SC1010008

PFBA: 8.7 ng/L

PFOS: 7.9 ng/L

PFPeA: 7.6 ng/L

above final limit
SEABROOK ISLAND TOWN OF (1010009)

SC1010009

PFPeA: 7.8 ng/L

PFOS: 7.5 ng/L

PFOA: 5 ng/L

above final limit
ST JOHN'S WATER (SC1020002)

SC1020002

PFOS: 8.5 ng/L

PFPeA: 5.6 ng/L

PFOA: 5.4 ng/L

above final limit

On a system with detections? Testing and treatment options

Facilities reporting toxic releases (2024)

29 facilities in Charleston filed TRI reports for 2024, totalling 286k lb released. The 25 largest by volume:

FacilityCityTop chemicalsTotal released
INGEVITY SOUTH CAROLINA LLC CHARLESTON CHEMICAL PLANTNORTH CHARLESTONHydrogen sulfide, Ammonia67k lb
DETYENS SHIPYARDNORTH CHARLESTONXylene (mixed isomers), Copper62k lb
MERCEDES-BENZ VANS LLCLADSONCertain glycol ethers, 1,2,4-Trimethylbenzene44k lb
LANXESS CORPCHARLESTONMethanol, 1,2-Dichloroethane38k lb
FEDERAL LAW ENFORCEMENT TRAINING CENTERNORTH CHARLESTONLead compounds, Copper compounds18k lb
STEVENS TOWING CO INCHOLLYWOODn-Butyl alcohol, Chromium15k lb
BOEING SOUTH CAROLINANORTH CHARLESTONMethyl isobutyl ketone, Xylene (mixed isomers)14k lb
SALISBURY ELECTRICAL SAFETY LLCNORTH CHARLESTONZinc compounds14k lb
GS II INC.NORTH CHARLESTONFormaldehyde12k lb
CUMMINS CHARLESTON RECON PLANTNORTH CHARLESTONManganese compounds, Lead compounds541 lb
NORTH CHARLESTON PLANTNORTH CHARLESTONHydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)456 lb
EVERRIS NA INCNORTH CHARLESTONManganese compounds, Copper compounds439 lb
EATON AEROSPACENORTH CHARLESTONCopper258 lb
CONCRETE PIPE & PRECAST LLC-CHARLESTON PLANTCHARLESTONLead139 lb
ALLIED AVIATION FUELING OF SOUTH CAROLINA LLCCHARLESTONNaphthalene, Ethylbenzene111 lb
BRENNTAG MID-SOUTHCHARLESTONAmmonia41 lb
CHEVRONCHARLESTONZinc compounds10 lb
US DOD USAF JOINT BASE CHARLESTON AIR RANGESJOINT BASE CHARLESTONEthylbenzene, Naphthalene9 lb
AMALIE OIL CO DBA AOCUSANORTH CHARLESTON-0 lb
VAN SMITH CONCRETE CO PLANT #2NORTH CHARLESTONLead0 lb
THOMAS CONCRETE - NORTH CHARLESTONNORTH CHARLESTONLead And Lead Compounds0 lb
CONCRETE SUPPLY CO LLC - PALMETTO LOGISTICS TEMPNORTH CHARLESTONLead And Lead Compounds0 lb
KNIGHT REDI-MIX INC. - PLANT 5NORTH CHARLESTONLead compounds0 lb
CUMMINS TURBO TECHNOLOGIESLADSON-0 lb
BOEING SOUTH CAROLINA INTERIORS RESPONSIBILITY CENTERLADSON-0 lb

Underground fuel tanks

EPA's UST Finder records 1,015 tank facilities in Charleston: 602 tanks in service and 2,572 closed. 828 fuel releases are on record, of which 77 remain open. Open releases are cleanups that have not reached "no further action".

Radon

EPA maps Charleston as Zone 3, the lowest predicted indoor radon (under 2 pCi/L average). Radon and air quality are covered in depth on lung.com.

The record for one specific address

County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.

Get the report - $39

All federal cleanup sites on file

The wider Superfund enterprise inventory (SEMS) for Charleston, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.

  • AMBROSE ALLEY MERCURYCHARLESTON
  • ASHEPOO PHOSPHATE/FERTILIZER WORKSCHARLESTON
  • ATLANTIC PHOSPHATE WORKSCHARLESTON
  • BROWDER TRUST PROPERTYCHARLESTON
  • BURKETTE PROPERTIESCHARLESTON
  • CALHOUN PARK AREACHARLESTON
  • CHARLESTON INTERNATIONAL AIRPORT VORCHARLESTON
  • CHARLESTON NAVAL SHIPYARDCHARLESTON
  • COLUMBIA NITROGENCHARLESTON
  • CUMMINS ENGINE COMPANYCHARLESTON
  • DEFENSE FUELS CHARLESTONHANAHAN
  • FED SERV, INC.CHARLESTON
  • FLEET TRANSPORT INCORPORATEDNORTH CHARLESTON
  • GRACE, W.R. & CO, AG CHEM GROUPCHARLESTON
  • JOINT BASE CHARLESTON AIR BASECHARLESTON AFB
  • KOPPERS CO., INC. (CHARLESTON PLANT)CHARLESTON
  • MACALLOY CORPORATIONN CHARLESTON
  • MAYBANK FERTILIZER (F.S. ROYSTER GUANO)CHARLESTON
  • NATIONAL REALTY SALES CORPORATIONCHARLESTON HEIGHTS
  • NAVAL WEAPONS STATION - CHARLESTONCHARLESTON
  • PACIFIC GUANOCHARLESTON
  • STOLLER CHEMICAL CO. - CHARLESTONCHARLESTON
  • STONO PHOSPHATE WORKSCHARLESTON
  • SWIFT AGRI-CHEM CORPCHARLESTON
  • TEXACO FACILITYNORTH CHARLESTON
  • US COAST GUARD CHARLESTONCHARLESTON
  • USA CHARLESTON ARMY DEPOTNORTH CHARLESTON
  • USDOI CHARLESTON HARBOR SITECHARLESTON
  • USPS N. CHARLESTON P.O.NORTH CHARLESTON
  • VA MEDICAL CENTER RESEARCHCHARLESTON
  • VIRGINIA CAROLINA CHEMICAL (VCC) FETTERESSACHARLESTON
  • VIRGINIA CAROLINA CHEMICAL (VCC) MACMURPHYCHARLESTON
  • VIRGINIA CAROLINA CHEMICAL (VCC) WANDOCHARLESTON
  • VIRGININA CAROLINA CHEMICAL (VCC) WAPPOOCHARLESTON