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| Gregor Well Drilling Well Drilling, repairs, pumps, tanks, installations.
37 Squiretown Rd., Hampton Bays (SoHmptn)......................................................Tel: 631-749-0073 Internet:.............................................................................. www.contractors.com/GregorWellDrillingInc | |
| Long Island Water Services, Inc. 
Residential water treatment systems, bottleless water coolers. Water testing. . 10#140 East Main St., East Islip (Islip).....................................................................Tel: 631-277-1000 Fax:................................................. 631-277-3255; Internet:..... www.longislandwaterservices.com | |
| North Fork Water Supl
Riverhead (Rvrhd).........................................................................................................Tel: 631-727-8610
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| Oyster Bay Water Service Oyster Bay Long Island NY Water Service
45 Audrey Ave., Oyster Bay (OysBy)........................................................................Tel: 516-922-4848 | |
| Port Washington Water Pollution Control District
Visitors will observe the operation of a water pollution control plant utilizing primary and secondary sewage treatment with sludge incineration. 70 Harbor Rd., Port Washington (NoHmpstd)........................................................Tel: 516-944-6100 | |
| Suffolk County Water Authority Administrative Office.
 4060 Sunrise Hwy., Oakdale (Islip) (PO Box 37, Oakdale).....................................Tel: 631-563-0365 Tel: ................................................. 631-665-0663; E-mail:......................................... info@scwa.com Internet:................................................................................................................................ www.scwa.com 260 Motor Parkway, Hauppauge (Smth).................................................................Tel: 631-582-2211 Western Regional Office. ; Map 624 Old Riverhead Rd., Westhampton (SoHmptn)............................................... Tel: 631-288-1034 Eastern Regional Office. ; Map 2045 Route 112, Suite1, Coram (Brkhvn)............................................................... Tel: 631-698-9500 Central Regional Office. ; Map | |
| Water District, Greenlawn
45 Railroad St., Greenlawn (Hunt)............................................................................ Tel: 631-261-0874 Fax:...........................................................631--631; E-mail:........................ info@greenlawnwater.org Internet:............................................................................................................... www.greenlawnwater.org | |
| Water District, South Huntington
Tel: .......................................................................................................................................... 631-427-8190 | |
