Smaller places in Pennsylvania — page 31 of 47
Places with fewer than 20 listed facilities are grouped here — 14,083 facilities in all.
1 (…) · 2 (…) · 3 (…) · 4 (…) · 5 (Annville, Town…) · 6 (Barto…) · 7 (Bird In Hand…) · 8 (Bridgeport…) · 9 (Cambria, Towns…) · 10 (Chartiers, Tow…) · 11 (Cochranville…) · 12 (Cowensville…) · 13 (Dimock…) · 14 (East Bethlehem…) · 15 (East Texas…) · 16 (Espyville…) · 17 (Folsom…) · 18 (Garrett…) · 19 (Grove City, Bo…) · 20 (Heidelberg, To…) · 21 (Houston…) · 22 (Jessup…) · 23 (Lahaska…) · 24 (Lewis Run…) · 25 (Lower Gwynedd …) · 26 (Manchester, Bo…) · 27 (Mckean…) · 28 (Millsboro…) · 29 (Mount Gretna…) · 30 (New Albany…) · 31 (Newtown Townsh…) · 32 (Olanta…) · 33 (Penn Run…) · 34 (Plumsteadville…) · 35 (Ralston…) · 36 (Roaring Spring…) · 37 (Sandy Lake, Bo…) · 38 (Sheffield…) · 39 (South Buffalo,…) · 40 (St Marys…) · 41 (Swarthmore…) · 42 (Trainer…) · 43 (Upper Leacock,…) · 44 (Warfordsburg…) · 45 (West Deer, Tow…) · 46 (West Sadsbury,…) · 47 (Womelsdorf…)
| Place | Facility | Programs | Formal actions (5 yr) | Compliance status |
|---|---|---|---|---|
| Newtown Township | PICKERING MANOR HOME | Water | — | No Violation Identified |
| Newtown Township | PREMIER A2 NEWTOWN PA LLC | Water | — | No Violation Identified |
| Newtown Township | PROPOSE SINGLEFAMILY DETACHED DWELLING | Water | — | No Violation Identified |
| Newtown Township | VILLAGE AT NEWTOWN REDEVELOPMENT | Water | — | No Violation Identified |
| Newtown, Borough Of | COURT STREET & STATE STREET | Water | — | No Violation Identified |
| Newtown, Township Of | 515 N. NEWTOWN STREET ROAD | Water | — | — |
| Newtown, Township Of | DARHUN CONSTRUCTION- 3882 GRADYVILLE ROAD | Water | — | No Violation Identified |
| Newtown, Township Of | ELLIS PRESERVE TOWN SQUARE | Water | — | No Violation Identified |
| Newtown, Township Of | PGA BROADCAST CENTER | Water | — | No Violation Identified |
| Newtown, Township Of | PUBLIC SEWER EXTENSION PROJECT- CAMELOT PUMP STATION SERVICE AREA | Water | — | — |
| Nicholson Twp | AIRPORT SAND & GRAVEL CO/NICHOLSON TWP | Air | — | No Violation Identified |
| Nicholson Twp | HOLLY LABEL CO INC | Hazardous waste | — | No Violation Identified |
| Nicholson, Borough Of | BRIDGEVIEW COMMONS | Water | — | — |
| Nicholson, Township Of | BOWOOD NORTHWEST | Water | — | No Violation Identified |
| Nicholson, Township Of | OXBOW CREEK ENERGY FACILITY | Water | — | No Violation Identified |
| Nicholson, Township Of | WEST NICHOLSON ROAD SITE RESTORATION | Water | — | — |
| Nicktown | AEROFAB MFG | Hazardous waste | — | No Violation Identified |
| Nicktown | BARR AREA MUNICIPAL AUTHORITY-CULLSORB FILTER | Drinking water | — | No Violation Identified |
| Nicktown | ST NICHOLAS CHURCH HALL-BASEMENT CHLORINATOR | Drinking water | — | No Violation Identified |
| Nicktown | ST NICHOLAS HOTEL-SOFTEN DISINFECTION | Drinking water | — | No Violation Identified |
| Nicktown | WATER PLANT RD SRSTP | Water | — | Violation Identified |
| Nicktown | WBL HARDWOODS | Water | — | No Violation Identified |
| Nicktown, | ST NICHOLAS CATHOLIC SCHOOL | Drinking water | — | No Violation Identified |
| Nippenose, Township Of | GEG PA SOLAR LLC | Water | — | No Violation Identified |
| Nittany | PIKE ROAD AND MADISON AVENUE WATERLINE REPLACEMENT | Water | — | No Violation Identified |
| Nockamixon Township | 421 FROGTOWN ROAD | Water | — | No Violation Identified |
| Nockamixon Township | HARROW STATION | Water | — | No Violation Identified |
| Nockamixon Township | OWLS NEST FARM | Water | — | No Violation Identified |
| Nockamixon, Township Of | SAL LAPIO HOMES - HARROW MANOR | Water | — | No Violation Identified |
| Norhtern Cambria | DOLLAR GENERAL STORE #2062 | Hazardous waste | — | No Violation Identified |
| Normalville | MARSHALL CLARK AUTO BODY | Hazardous waste | — | No Violation Identified |
| Normalville | MORSE PROP SRSTP | Water | — | No Violation Identified |
| Normalville | SPRINGFIELD TWP ELEM SCH STP | Water | — | Violation Identified |
| Norrisotwn | WISE GUYS CUSTOMS/NORRISTOWN | Air | — | No Violation Identified |
| Norristown Borough | 1421 GREEN VALLEY ROAD | Water | — | No Violation Identified |
| Norristown Borough | 2018 ELMWOOD PARK ZOO PARKING LOTS | Water | — | No Violation Identified |
| Norristown Borough | AIRY STREET PRISON DEMOLITION | Water | — | No Violation Identified |
| Norristown Borough | ARBOR KNOLL | Water | — | No Violation Identified |
| Norristown Borough | KENNEDYKENRICK | Water | — | No Violation Identified |
| Norristown Borough | MONTGOMERY COUNTY JUSTICE CENTER | Water | — | No Violation Identified |
| Norristown Borough | MONTGOMERY PARK DEVELOPMENT | Water | — | No Violation Identified |
| Norristown Borough | NORRISTOWN CENTER ROYAL FARMS 155 | Water | — | No Violation Identified |
| North Abington Township | PENN STATE FULLERS OVERLOOK | Hazardous waste | — | No Violation Identified |
| North Abington, Township Of | REMJ, INC LOT 3 | Water | — | No Violation Identified |
| North Annville, Township Of | CEDAR RUN BORROW STOCKPILE | Water | — | No Violation Identified |
| North Annville, Township Of | CLEONA REINFORCEMENT PROJECT | Water | — | No Violation Identified |
| North Annville, Township Of | LOT 1 - CLEAR SPRING CROSSING DEVELOPMENT | Water | — | No Violation Identified |
| North Apollo | BABCOCK & WILCOX CO | Hazardous waste | — | No Violation Identified |
| North Apollo | CORRIDONI FUNERAL SVCS INC/NORTH APOLLO | Air | — | No Violation Identified |
| North Apollo | NORTH APOLLO AUTO WRECKING | Water | — | No Violation Identified |
| North Apollo | UNITED PARCEL SVC | Water, Hazardous waste | — | No Violation Identified |
| North Belle Vernon | SUNOCO SVC STA | Hazardous waste | — | No Violation Identified |
| North Belle Vernon | SUNOCO SVC STA 0112 5848 | Hazardous waste | — | No Violation Identified |
| North Belle Vernon, Borough Of | UMCO ENERGY INC/NEW CENTURY MINE | Air | — | No Violation Identified |
| North Bend | CHAPMAN TWP WATER AUTHORITY | Drinking water | — | Inactive |
| North Bend | COLUMBIA GAS TRANS CORP/RENOVO STA | Air | — | No Violation Identified |
| North Bend | COLUMBIA GAS TRANSMISSION CORP RENOVO COMP STA | Hazardous waste | — | No Violation Identified |
| North Bend | EQT ARO LLC/TRACT 285 COMP STA | Air | — | No Violation Identified |
| North Bend | MARKS AUTO BODY | Hazardous waste | — | No Violation Identified |
| North Braddock | DOOKER'S HOLLOW BRIDGE REPLACEMENT | Water | — | — |
| North Braddock | EXPANDED GRAIN PROD | Air | — | No Violation Identified |
| North Catasauqua | WILLOW BROOK FARM BERM | Water | — | No Violation Identified |
| North Catasauqua | WILLOW BROOK FARM PHASE I | Water | — | No Violation Identified |
| North Catasauqua | WILLOW BROOK FARM, PHASE 2 | Water | — | No Violation Identified |
| North Centre | COLUMBIA COUNTY PSP | Water | — | No Violation Identified |
| North Centre, Township Of | VAWDREY HOME AND DRIVEWAY | Water | — | No Violation Identified |
| North Centre, Township Of | WRIGHT / STEVENS LAND DEVELOPMENT | Water | — | No Violation Identified |
| North Charleroi | ROTOLO MOTORS INC | Hazardous waste | — | No Violation Identified |
| North Codorus | SALEM RUN APARTMENTS | Water | — | No Violation Identified |
| North Codorus, Township Of | GUTMAN TWINLAND | Water | — | No Violation Identified |
| North Codorus, Township Of | HICKORY ENTERPRISES LLC | Water | — | No Violation Identified |
| North Cornwall, Township Of | 550 ISABEL DRIVE | Water | — | No Violation Identified |
| North Cornwall, Township Of | BRIAN R & TIMOTHY J NOLT | Water | — | No Violation Identified |
| North Cornwall, Township Of | BROOKE N. KREIDER | Water | — | No Violation Identified |
| North Cornwall, Township Of | BTKD LEBANON, LLC | Water | — | No Violation Identified |
| North Cornwall, Township Of | GREYSTONE CROSSING | Water | — | No Violation Identified |
| North Cornwall, Township Of | NORTH CORNWALL COMMONS - PHASE 2 | Water | — | No Violation Identified |
| North Cornwall, Township Of | NORTH CORNWALL PUBLIC ROADWAY IMPROVEMENTS | Water | — | No Violation Identified |
| North Cornwall, Township Of | PAULA CALI & PIETRINA CALI | Water | — | No Violation Identified |
| North Cornwall, Township Of | TRANQUILITY STABLES | Water | — | No Violation Identified |
| North Coventry, Township Of | MATHIS 1511 S. KEIM STREET | Water | — | — |
| North East, Township Of | 2 FITTY LLC | Water | — | No Violation Identified |
| North East, Township Of | COOLEY TIRE, LLC | Water | — | No Violation Identified |
| North East, Township Of | EDGEWATER BEACH | Water | — | No Violation Identified |
| North East, Township Of | ERIE EAST SUBSTATION EXPANSION PROJECT | Water | — | Violation Identified |
| North East, Township Of | RIDG-U-RAK | Water | — | No Violation Identified |
| North East, Township Of | WINDSWEPT ACRES SUBDIVISION III | Water | — | No Violation Identified |
| North Franklin, Township Of | BURGER KING RESTAURANT | Water | — | — |
| North Franklin, Township Of | CHARTIERS CREEK STREAMBANK RESTORATION | Water | — | No Violation Identified |
| North Franklin, Township Of | HOWARD RIDGE PLAN OF LOTS | Water | — | No Violation Identified |
| North Franklin, Township Of | RAGGI ESTATES | Water | — | — |
| North Franklin, Township Of | SYCAMORE RESERVE PLANS 3 THRU 6 | Water | — | No Violation Identified |
| North Franklin, Township Of | TASD INTERMEDIATE-MIDDLE SCHOOL ADDITIONS AND ALTERATIONS | Water | — | — |
| North Franklin, Township Of | VANKIRK SUBSTATION PROJECT | Water | — | No Violation Identified |
| North Hills | ERICS CLNR & TAILORS/GLENSIDE | Air, Hazardous waste | — | No Violation Identified |
| North Hills | K & R GOODYEAR TIRE | Hazardous waste | — | No Violation Identified |
| North Hills | LOGO ONE INC | Hazardous waste | — | No Violation Identified |
| North Irwin | ELECTRO KOTE | Hazardous waste | — | No Violation Identified |
| North Lebanon, Township Of | HOMESTEAD ACRES - PHASE 4 | Water | — | No Violation Identified |
| North Lebanon, Township Of | IONA INVESTMENT GROUP, LP | Water | — | No Violation Identified |
| North Lebanon, Township Of | PRE-FINAL LDP FOR BENNETT LEBANON HOLDINGS LLC | Water | — | No Violation Identified |
| North Lebanon, Township Of | PROJECT OAK | Water | — | No Violation Identified |
| North Lebanon, Township Of | ROBERTO J. & CYNTHIA VALENTIN | Water | — | No Violation Identified |
| North Lebanon, Township Of | UNION CANAL ELEMENTARY SCHOOL | Water | — | No Violation Identified |
| North Londonderry, Township Of | EAST POINT TRADE CENTER BUILDING C | Water | — | No Violation Identified |
| North Londonderry, Township Of | GRACEPOINT EVANGELICAL FREE CHURCH | Water | — | No Violation Identified |
| North Londonderry, Township Of | LONDONDERRY VILLAGE GREENHOUSES 2018 | Water | — | No Violation Identified |
| North Manheim, Township Of | CACL FEDERAL CREDIT UNION | Water | — | No Violation Identified |
| North Manheim, Township Of | CRESSONA MINI-MARKET | Water | — | No Violation Identified |
| North Manheim, Township Of | FRACKVILLE-ORWIGSBURG & PINE GROVE-ORWIGSBURG 69KV TAP REBUILD | Water | — | No Violation Identified |
| North Manheim, Township Of | SCHUYLKILL RACQUET & FITNESS ATHLETIC FIELDS | Water | — | No Violation Identified |
| North Manheim, Township Of | STATE GAMELANDS 286 | Water | — | No Violation Identified |
| North Middleton, Township Of | BENNINGTON SQUARE | Water | — | No Violation Identified |
| North Middleton, Township Of | BRUBAKER PROPERTY SUBDIVISION | Water | — | No Violation Identified |
| North Middleton, Township Of | CARLISLE CHRISTIAN FELLOWSHIP CHURCH | Water | — | No Violation Identified |
| North Middleton, Township Of | CASD - MIDDLE SCHOOL | Water | — | No Violation Identified |
| North Middleton, Township Of | CREEK TERRACE | Water | — | No Violation Identified |
| North Middleton, Township Of | FINAL LAND DEVELOPMENT & STORMWATER MANAGEMENT PLAN FOR 1220 NEWVILLE ROAD | Water | — | — |
| North Middleton, Township Of | FREDERICK COURT | Water | — | No Violation Identified |
| North Middleton, Township Of | LEHMAN'S CROSSING | Water | — | No Violation Identified |
| North Middleton, Township Of | MEADOWBROOK FARMS SUBDIVISION | Water | — | No Violation Identified |
| North Middleton, Township Of | MOUNTAIN VIEW ESTATES PHASE 2-7 | Water | — | No Violation Identified |
| North Middleton, Township Of | PEACE CENTRE | Water | — | No Violation Identified |
| North Middleton, Township Of | PENNSYLVANIA GAME LANDS 230 | Water | — | No Violation Identified |
| North Middleton, Township Of | PINE VIEW DEVELOPMENT | Water | — | No Violation Identified |
| North Middleton, Township Of | PROLOGIS LP | Water | — | No Violation Identified |
| North Middleton, Township Of | SHILLINGTON | Water | — | No Violation Identified |
| North Middleton, Township Of | THE VILLAGE AT NORTH RIDGE | Water | — | No Violation Identified |
| North Middleton, Township Of | WERTZ RUN INTERCEPTOR UPGRADE | Water | — | — |
| North Newton, Township Of | 201 BULLSHEAD RD | Water | — | No Violation Identified |
| North Newton, Township Of | 30-35 RIDGE ROAD, LLC | Water | — | — |
| North Newton, Township Of | A.B. MARTIN ROOFING SUPPLY | Water | — | No Violation Identified |
| North Newton, Township Of | HIDDEN HOLLOW POULTRY LLC AG OPERATION | Water | — | No Violation Identified |
| North Newton, Township Of | MICHAEL WEAVER POULTRY OPERATION | Water | — | — |
| North Newton, Township Of | WESLEY MARTIN POULTRY OPERATION | Water | — | No Violation Identified |
| North Sewickley, Township Of | WRIGHT BROTHERS DAIRY FARM PROJECT | Water | — | No Violation Identified |
| North Shenango, Township Of | PYMATUNING WMA - MOIST SOIL UNIT | Water | — | No Violation Identified |
| North Shenango, Township Of | REHABILITATE PYMATUNING STATE PARK CAMPGROUND FACILITIES | Water | — | No Violation Identified |
| North Springfield | CAMP FITCH OPEN AIR CABINS | Water | — | No Violation Identified |
| North Towanda, Township Of | BCFA FIRE TRAINING FACILITY | Water | — | — |
| North Towanda, Township Of | BRADFORD COUNTY PUBLIC SAFETY CENTER | Water | — | — |
| North Towanda, Township Of | NORTH TOWANDA DOLLAR GENERAL | Water | — | — |
| North Towanda, Township Of | TMA WATER TRANSMISSION MAIN | Water | — | — |
| North Towanda, Township Of | TMA WATER TREATMENT FACILITY | Water | — | — |
| North Union, Township Of | KH HOLDINGS LLC | Water | — | No Violation Identified |
| North Union, Township Of | US 40 RETAIL DEVELOPMENT | Water | — | No Violation Identified |
| North Versailles, Township Of | CARMEL COURT PLAN | Water | — | — |
| North Versailles, Township Of | DISTRIBUTION FACILITY | Water | — | — |
| North Versailles, Township Of | MCDONALDS - NORTH VERSAILLES | Water | — | No Violation Identified |
| North Versailles, Township Of | NS PITCAIRN YARD OPERATIONS AND STORAGE FACILITIES | Water | — | — |
| North Versailles, Township Of | UNION HALL FILL SITE | Water | — | No Violation Identified |
| North Warren | NORTH WARREN MUNI STP | Water | — | Violation Identified |
| North Warren | NORTH WARREN MUNI STP | Drinking water | — | No Violation Identified |
| North Warren | NORTH WARREN MUNICIPAL AUTHORITY | Water | — | No Violation Identified |
| North Warren | PA DPW/WARREN STATE HOSP | Air, Hazardous waste, Drinking water | — | No Violation Identified |
| North Warren | WARREN MIDTOWN MOTORS, INC | Air, Hazardous waste | — | No Violation Identified |
| North Washington | NORTH WASHINGTON VOL FIRE ASSN-PLANT | Drinking water | — | No Violation Identified |
| North Whitehall, Township Of | 1965 PARK PLACE | Water | — | No Violation Identified |
| North Whitehall, Township Of | BAKER SITE PLAN | Water | — | No Violation Identified |
| North Whitehall, Township Of | BROOKHILL ESTATES LOT 7 | Water | — | No Violation Identified |
| North Whitehall, Township Of | BROOKHILL ESTATES LOTS 3, 4, 5, 9, 10, 11, 12, 15 | Water | — | No Violation Identified |
| North Whitehall, Township Of | DOLLAR GENERAL - SCHNECKSVILLE | Water | — | No Violation Identified |
| North Whitehall, Township Of | FAIRLAND FARMS | Water | — | No Violation Identified |
| North Whitehall, Township Of | FAIRLAND FARMS III | Water | — | No Violation Identified |
| North Whitehall, Township Of | GREENLEAF FIELDS AT PARKLAND | Water | — | No Violation Identified |
| North Whitehall, Township Of | GREENLEAF FIELDS AT PARKLAND WATERLINE EXTENSION | Water | — | No Violation Identified |
| North Whitehall, Township Of | MAPLE STREET AT GREENLEAF ESTATES | Water | — | No Violation Identified |
| North Whitehall, Township Of | MARY ANN'S PLAZA | Water | — | No Violation Identified |
| North Whitehall, Township Of | MULBERRY STREET SUBDIVISION | Water | — | No Violation Identified |
| North Whitehall, Township Of | NORTH VALLEY TRADE CENTER | Water | — | No Violation Identified |
| North Whitehall, Township Of | RIDINGS AT PARKLAND | Water | — | No Violation Identified |
| North Whitehall, Township Of | TIMBERIDGE LUXURY APARTMENTS | Water | — | No Violation Identified |
| North Whitehall, Township Of | TREXLER NATURE PRESERVE TRAIL PROJECT | Water | — | No Violation Identified |
| North Whitehall, Township Of | VIEWS AT FELLS CREEK | Water | — | No Violation Identified |
| North Woodbury, Township Of | BLAIR COUNTY AIRPORT TEMPORARY LEASE PARKING LOT | Water | — | No Violation Identified |
| Northampton Cnty | COUNTRY MEADOWS RETIREMENT COMMUNITY DEV | Water | — | No Violation Identified |
| Northampton Cnty | UPPER NAZARETH TWP. NORTHAMPTON COUNTY MS4 | Water | — | No Violation Identified |
| Northampton Township | 1358 SPENCER ROAD | Water | — | No Violation Identified |
| Northampton Township | 444 SAINT LEONARDS ROAD | Water | — | No Violation Identified |
| Northampton Township | 48 E HOLLAND ROAD | Water | — | No Violation Identified |
| Northampton Township | 785 NEWTOWN RICHBORO ROAD | Water | — | No Violation Identified |
| Northampton Township | BLAIR GINKO LOT 3 | Water | — | No Violation Identified |
| Northampton Township | BUCK ROAD BRIDGE WATER SANITARY SEWER MAIN RELOC | Water | — | No Violation Identified |
| Northampton Township | COUNCIL ROCK STAR CENTER | Water | — | No Violation Identified |
| Northampton Township | MINKOVICH ESTATE | Water | — | — |
| Northampton Township | NEWTOWN RAILSTO TRAILS PHASE 2 | Water | — | No Violation Identified |
| Northampton Township | NORTHAMPTON TOWNSHIP CIVIC CENTER PHASE II | Water | — | No Violation Identified |
| Northampton Township | NORTHAMPTON TOWNSHIP POLICE DEPARTMENT | Water | — | No Violation Identified |
| Northampton Township | SHOOTING RANGE BERM RESTORATION PROJECT | Water | — | No Violation Identified |
| Northampton Township | SPRING AVE | Water | — | No Violation Identified |
| Northampton Township | SPRING MILL COUNTRY CLUB TOWNHOUSE REDEVELOPMENT | Water | — | No Violation Identified |
| Northampton Township | SPRING MILL GOLF COURSE RESTORATION | Water | — | No Violation Identified |
| Northampton Township | SR 2089 SECTION ALM | Water | — | No Violation Identified |
| Northampton Township | THE ESTATES AT CREEKSIDE GILMOUR TRACT | Water | — | Violation Identified |
| Northampton Township | TRINITY REALTY COMPANIES | Water | — | No Violation Identified |
| Northampton Township | WAVERLY | Water | 1 | No Violation Identified |
| Northampton, Township Of | 2395 OLD BRISTOL ROAD | Water | — | No Violation Identified |
| Northampton, Township Of | RICHBORO ELEMENTARY SCHOOL | Water | — | No Violation Identified |
| Northbend | HYNER RUN STATE PARK | Water | — | Significant Violation |
| Northeast | KWIK FILL M0143 163 | Hazardous waste | — | No Violation Identified |
| Northern Cambria | CNX GAS CO LLC/ WILLIAMS | Air | — | No Violation Identified |
| Northern Cambria | FAMILY DOLLAR STORE NO 3602 | Hazardous waste | — | No Violation Identified |
| Northern Cambria | GIANT EAGLE 0482 PHARMACY | Hazardous waste | — | No Violation Identified |
| Northern Cambria | KEN'Z AUTO SERVICE CENTER | Air | — | No Violation Identified |
| Northern Cambria | MILLER HOLLOW WTP | Water | — | Significant Violation |
| Northern Cambria | PENN CAMBRIA SCH DIST/MIDDLE SCHOOL | Air | — | Violation Identified |
| Northern Cambria | QUAKER SALES CORP/NORTHERN CAMBRIA | Air | — | No Violation Identified |
| Northern Cambria | RITE AID NO 1494 | Hazardous waste | — | No Violation Identified |
| Northern Cambria | SHEETZ STORE NO 55 | Hazardous waste | — | No Violation Identified |
| Northern Cambria | W BRANCH SEW AUTH STP | Water | 1 | Significant Violation |
| Northumberland, Borough Of | PENN DOT SR 0147 SECTION 110 & SR 0011 SETION 113 ROAD RECONSTRUCTION | Water | — | No Violation Identified |
| Norvelt | DYSONS AUTO FRAME | Hazardous waste | — | No Violation Identified |
| Norvelt | MTN SHADOWS PHASE I STP | Water | — | Significant Violation |
| Norwich, Township Of | JV #059, S.R. 0046 SECTION A03 OVER HAVENS RUN | Water | — | No Violation Identified |
| Norwood | HUNTER COLLISION/NORWOOD | Air | — | No Violation Identified |
| Norwood | L LAUNDROMAT/ NORWOOD TWP | Air | — | No Violation Identified |
| Norwood | SUNOCO SVC STA | Hazardous waste | — | No Violation Identified |
| Nothern Cambria | MORICONI FUNERAL HOME INC/ DBA CREMATION SOLUTIONS | Air | — | No Violation Identified |
| Nottingham | CVS PHARMACY 4020 | Hazardous waste | — | No Violation Identified |
| Nottingham | DAVID MARTIN FARM | Water | — | No Violation Identified |
| Nottingham | HERITAGE CONCRETE NOTTINGHAM FACILITY | Water | — | No Violation Identified |
| Nottingham | HERR FOODS | Hazardous waste | — | No Violation Identified |
| Nottingham | HERR FOODS CORPORATE OFFICE-UTILITY ROOM | Drinking water | — | No Violation Identified |
| Nottingham | HERR FOODS INC/NOTTINGHAM | Air | 1 | No Violation Identified |
| Nottingham | HERR FOODS-PLANT 1 | Drinking water | — | No Violation Identified |
| Nottingham | JEFF SENSENIG SWM PLAN | Water | — | No Violation Identified |
| Nottingham | MARTINS COMMUNITY STP | Water | — | Violation Identified |
| Nottingham | MASON'S CHROME VIEW CAFO | Water | — | No Violation Identified |
| Nottingham | OCTORARO WATER TREATMENT PLANT | Air, Hazardous waste | — | No Violation Identified |
| Nottingham | WAWA STORE 289 | Hazardous waste | — | No Violation Identified |
| Nottingham, Township Of | CASTLEWOOD FIELDS | Water | — | No Violation Identified |
| Noxen | NOXEN SAND & MATERIALS QUARRY | Water | — | Unknown |
| Noxen | NOXEN SAND & MATERIALS/NOXEN | Air | — | No Violation Identified |
| Numine | COWANSHANNOCK M A SAGAMORE SYS-CLARK AVE PLANT | Drinking water | 1 | No Violation Identified |
| Numine | NUMINE WWTP | Water | — | Violation Identified |
| Numine | YATESBORO WTP | Water | 1 | — |
| Nuremberg | JACIES MID WAY BAR INC-U V LIGHT | Drinking water | 1 | No Violation Identified |
| O'Hara, Township Of | CHAPEL HARBOR AT THE WATER | Water | — | No Violation Identified |
| O'Hara, Township Of | FREEPORT RETAIL | Water | — | No Violation Identified |
| Oak Hall | HEIDELBERG MATERIALS NE/OAK HALL QUARRY PLANT 141 | Air | 1 | No Violation Identified |
| Oakdale, Borough Of | WEST VIEW CUNNINGHAM SITE EXPANSION | Water | — | No Violation Identified |
| Oakford | CRW AUTO BODY | Hazardous waste | — | No Violation Identified |
| Oakford | GASS BOB SVC CTR | Hazardous waste | — | No Violation Identified |
| Oakford | NESHAMINY FALLS WATER TREATMENT PLANT | Water | — | Violation Identified |
| Oakland | MINERAL POINT ENERGY FACILITY | Water | — | — |
| Oakland Mills | LOST CREEK IMPLEMENT INC | Air | — | No Violation Identified |
| Oakland Mills | OAKLAND MILLS STP | Water | — | Violation Identified |
| Oakland, Township Of | PAWC BUTLER WTP | Water | — | No Violation Identified |
| Oakmont, Borough Of | 284 DARK HOLLOW ROAD | Water | — | No Violation Identified |
| Oakmont, Borough Of | CHATEAU BEACH KAYAK PARK | Water | — | — |
| Oakmont, Borough Of | OAKMONT BAKERY | Water | — | — |
| Oakmont, Borough Of | OAKMONT PLACE | Water | — | No Violation Identified |
| Oakmont, Borough Of | PLUM CREEK TRAIL SYTEM, PHASE II, PHASE III, AND PUMP TRACK | Water | — | No Violation Identified |
| Oakmont, Borough Of | THE RIVER'S EDGE OF OAKMONT | Water | — | Violation Identified |
| Oaks | ABF FREIGHT SYS INC | Water, Hazardous waste | 1 | No Violation Identified |
| Oaks | AXIA WOMENS HEALTH LAB | Hazardous waste | — | No Violation Identified |
| Oaks | BJS WHOLESALE CLUB 0200 | Hazardous waste | — | No Violation Identified |
| Oaks | FRANKLIN APPLIED PHYSICS INC | Hazardous waste | — | No Violation Identified |
| Oaks | GLOBAL PKG/OAKS | Air, Hazardous waste | — | No Violation Identified |
| Oaks | LOWES OF OAKS PA NO 1047 | Hazardous waste | — | No Violation Identified |
| Oaks | OAKS WWTP | Water | — | Significant Violation |
| Oaks | SEI INVESTMENTS CO/OAKS | Air | — | No Violation Identified |
| Oaks | SPINA & ADAMS COLLISION SVC | Hazardous waste | — | No Violation Identified |
| Oaks | SPINA & ADAMS COLLISION SVC/OAKS | Air | — | No Violation Identified |
| Oaks | TARGET STORE T1291 | Hazardous waste | — | No Violation Identified |
| Oaks | THE JOHN WOOD CO | Hazardous waste | — | No Violation Identified |
| Oaks | WAWA FOOD MARKET NO 8062 | Hazardous waste | — | No Violation Identified |
| Oberlin | KOUPS CYCLE SHOP | Hazardous waste | — | No Violation Identified |
| Ohara, Township Of | EAST LITTLE PINE CREEK SEWERS AND PUMP STATION | Water | — | — |
| Ohara, Township Of | FALCONHURST FOREST | Water | — | No Violation Identified |
| Ohara, Township Of | FOX HALL VILLAGE VII | Water | — | No Violation Identified |
| Ohara, Township Of | GREENWOOD CEMETERY STORMWATER FACILITY NO.1 | Water | — | — |
| Ohara, Township Of | HIDDEN GROVE | Water | — | — |
| Ohara, Township Of | MEINERT ESTATES | Water | — | No Violation Identified |
| Ohara, Township Of | MIRAMAR LANDINGS | Water | — | Violation Identified |
| Ohara, Township Of | RIVER ROAD FILL SITE | Water | — | No Violation Identified |
| Ohio, Township Of | ARDWYN SQUARE - OFFICE BUILDING | Water | — | Violation Identified |
| Ohio, Township Of | AVONWORTH SCHOOL DISTRICT PARKING LOT | Water | — | No Violation Identified |
| Ohio, Township Of | CHRIST CHURCH AT GROVE FARM RECREATIONAL HUB | Water | — | No Violation Identified |
| Ohio, Township Of | DUFF ROAD | Water | — | No Violation Identified |
| Ohio, Township Of | GREEN VALLEY PARK | Water | — | No Violation Identified |
| Ohio, Township Of | MT. NEBO TOWN CENTER | Water | — | No Violation Identified |
| Ohio, Township Of | OHIO TOWNSHIP EMS FACILITY | Water | — | No Violation Identified |
| Ohio, Township Of | OHIO TOWNSHIP PARK IMPROVEMENTS | Water | — | — |
| Ohio, Township Of | SAMS CLUB #6678 | Air | — | No Violation Identified |
| Ohio, Township Of | SEWICKLEY CROSSING PRD | Water | — | — |
| Ohio, Township Of | SOCCER FIELD SYNTHETIC TURF PLACEMENT | Water | — | — |
| Ohio, Township Of | WATERMARK CLASSICAL ACADEMY | Water | — | No Violation Identified |
| Ohio, Township Of | WENDY'S OHIO TOWNSHIP | Water | — | No Violation Identified |
| Ohiopyle | CAMPGROUND FULL SERVICE SITES THE OL PREDICAMENT LOOP | Water | — | No Violation Identified |
| Ohiopyle | OHIO PYLE PRINTS MANUFACTURING | Hazardous waste | — | No Violation Identified |
| Ohiopyle | OHIOPYLE STATE PARK BOATERS CHANGE HOUSE | Water | — | Violation Identified |
| Ohiopyle | OHIOPYLE STATE PARK CAMPGROUND STP | Water | — | Significant Violation |
| Ohiopyle | SMITH MINE | Water | — | Unknown |
| Ohiopyle | TALL OAKS CAMPGROUND-RV SITE TRT PLANT | Drinking water | — | Violation Identified |
| Ohiopyle, Borough Of | SR 381, SECTION OMG OHIOPYLE MULTIMODIAL GATEWAY PROJECT | Water | — | No Violation Identified |
| Ohioville, Borough Of | SEVEN OAKS SWIM AND RACKET CLUB | Water | — | No Violation Identified |
| Oil Creek, Township Of | TITUSVILLE FREE METHODIST CHURCH | Water | — | No Violation Identified |
| Oil Creek, Township Of | WENTWORTH FORD PROJECT | Water | — | No Violation Identified |
| Olanta | CL-BELSENA LLC. | Water | — | No Violation Identified |
Alphabetical order — this site ranks no one. Figures as published by the EPA in ECHO for the last five years. Select a name for identifiers (EPA ID, NPDES, air), program-by-program status and the quarterly history. How to read this.