Utilities in Ohio
16,338 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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OLD US 35 CAMPGROUND
OH2957112 · 60 served
OLDE ENGLISH OUTFITTERS
OH5553619 · 95 served
OLDE FALLS INN
OH6037312 · 60 served
OLDE SCHOOLHOUSE VINEYARD & WINERY LLC
OH6837513 · 35 served
OLDE STATION RESTAURANT
OH0253112 · 25 served
OLDE SUMMIT TOWNE RESTAURANT
OH4544612 · 300 served
OLDEN AVE.WAT.LINE ASSOC
OH7705912 · 25 served
OLDHAM INC - OLD BUILDING PWS
OH7538512 · 25 served
OLE MILL LAKE
OH0346120 · 36 served
OLE ZIMS WAGON SHED
OH7239012 · 475 served
OLENA COMMUNITY HALL
OH3942012 · 50 served
OLENA FOODS
OH3930012 · 25 served
OLENA ROADHOUSE
OH3936312 · 75 served
OLESIA'S TAVERNE OF RICHFIELD
OH7769412 · 260 served
OLIVE BRANCH CAMPGROUND
OH8332912 · 150 served
OLIVE BRANCH JR. HIGH SCHOOL
OH1238812 · 525 served
OLIVERS AMOCO
OH0438612 · 75 served
OLIVES BEAUTY SHOP
OH0238312 · 25 served
OLIVET CHURCH OF THE BRE
OH6434212 · 50 served
OLIVET UNITED BRETHREN CHURCH
OH5748212 · 25 served
OLMSTED AUTO SALES
OH1835012 · 25 served
OLMSTED CAR WASH
OH1839122 · 25 served
OLMSTED FALLS BOARD OF EDUCATION PWS
OH1838812 · 29 served
OLMSTED MISSIONARY CHURCH
OH1838312 · 100 served
OMEGA MART-61
OH2937212 · 50 served
OMEGA OIL
OH1431112 · 30 served
OMEGA OIL #31
OH6835712 · 400 served
OMEGA OIL 36-NEW ALBANY
OH2549912 · 25 served
OMEGA OIL COMPANY
OH5936512 · 500 served
OMEGA SERVICE STATION 44
OH1233712 · 200 served
OMNI SOURCE CORPORATION
OH7047012 · 45 served
ON TARGET OUTFITTERS - FINDLAY CHAPTER
OH3248617 · 30 served
ON TARGET OUTFITTERS PWS
OH5043912 · 40 served
ONE MORE LOUNGE
OH5035212 · 75 served
ONE SCHOOL GLOBAL ASHLAND
OH0346116 · 70 served
ONE-WRITE COMPANY, INC.
OH2345212 · 25 served
ONLINE COMPUTER LIBRARY
OH2545112 · 140 served
ONLY BELIEVE MINISTRIES
OH7538212 · 800 served
ONTARIO CHRISTIAN FELLOWSHIP
OH7057212 · 350 served
ONTARIO CITY
OH7003512 · 6,756 served
OP. COLS ZOO AMUSEMENT PARK
OH2132112 · 1,000 served
OPA GREEK LLC
OH2567712 · 52 served
OPALOCKA DRIVE OFFICE BUILDING, LLC.
OH2856912 · 56 served
OPEN PANTRY NO. 47
OH7748412 · 50 served
OPER ENGR,NEW ALBANY OUTPOST
OH2541912 · 6 served
OPER.ENG.WASHINGTON C.H.GARAGE
OH2436812 · 13 served
OPER.ENGR,ODOT-101
OH4431012 · 30 served
OPER.ENGR,ODOT-FAY.CO.HWY.GAR.
OH2434012 · 25 served
OPER.ENGR,ODOT-REST AREA 1-16
OH8834712 · 800 served
OPER.ENGR,ODOT-REST AREA 1-27
OH8130112 · 800 served