Browse Water Systems
10,030 public water systems in WA.
Public Water Systems Database
Browse 10,030 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.
| System Name | PWSID | State | Type | Population Served |
|---|---|---|---|---|
| WESTERN WAHKIAKUM | WA5395167 | Washington | Community | 791 |
| ADAMS VIEW | 105300042 | Washington | Community | 790 |
| VALLE LINDO HOMES | WA5392475 | Washington | Community | 787 |
| SNO PUD 1 - STORM LAKE RIDGE | WA5344431 | Washington | Community | 786 |
| VETERANS AFFAIR MED CTR DEPT OF | WA5390542 | Washington | Community | 785 |
| ROCKY REACH DAM | WA5373670 | Washington | Transient Non-Community | 785 |
| BOGACHIEL STATE PARK | WA53SP090 | Washington | Transient Non-Community | 783 |
| GREEN MEADOWS ATHLETIC CLUB PUBLIC | WA5328361 | Washington | Community | 783 |
| CURLEW LAKE STATE PARK | WA53SP200 | Washington | Transient Non-Community | 779 |
| Kiles Korner Market | 105300143 | Washington | Transient Non-Community | 775 |
| HILLCREST VILLAGE WATER CO INC | WA5333150 | Washington | Community | 770 |
| SCENIC SHORES WATER COMPANY | WA5376530 | Washington | Community | 761 |
| WALLACE FALLS STATE PARK | WA53SP970 | Washington | Transient Non-Community | 759 |
| SUCIA ISLAND ST PARK-SHALLOW BAY | WA5364681 | Washington | Transient Non-Community | 757 |
| NORTHGATE TERRACE COMMUNITY CLUB | WA5361750 | Washington | Community | 750 |
| HERITAGE UNIVERSITY WATER SYSTEM | 1053AA941 | Washington | Non-Transient Non-Community | 750 |
| SWANS TRAIL WATER DIST | WA5386600 | Washington | Community | 750 |
| Heritage University Water System | WA53AA941 | Washington | Non-Transient Non-Community | 750 |
| UNITED AIR LINES INC | WA5390410 | Washington | Transient Non-Community | 745 |
| LAKE HOLIDAY ASSOCIATION | WA5383600 | Washington | Community | 740 |
| Lewis Co Water Sewer Dist #6 | WA5344240 | Washington | Community | 740 |
| PINECREST | WA5367621 | Washington | Community | 738 |
| Memorial Bible Church | WA53AB377 | Washington | Transient Non-Community | 736 |
| LOST LAKE PROPERTY OWNERS ASSN | WA5348345 | Washington | Community | 736 |
| SKAGIT SPEEDWAYS | WA5307264 | Washington | Transient Non-Community | 736 |
| PALOUSE EMPIRE FAIRGROUNDS | WA5365785 | Washington | Transient Non-Community | 733 |
| EVERGREEN S.D. #114 CASCADE J.H | WA5318571 | Washington | Non-Transient Non-Community | 729 |
| STEVENS CO PUD - CLAYTON | WA5313450 | Washington | Community | 725 |
| LYNCH COVE | WA5349100 | Washington | Community | 721 |
| SUN COVE PUBLIC WATER SYSTEM | WA5385124 | Washington | Community | 716 |
| JARRELL COVE STATE PARK | WA53SP340 | Washington | Transient Non-Community | 715 |
| LARCH CORRECTIONS CENTER | WA5306461 | Washington | Community | 705 |
| FIR MEADOWS WATER COMPANY, INC. | WA5325145 | Washington | Community | 705 |
| LYMAN WATER DEPARTMENT | WA5349050 | Washington | Community | 705 |
| CLOVER CREEK ELEMENTARY | WA5313902 | Washington | Community | 700 |
| PACKAGING CORPORATION OF AMERICA | WA5307597 | Washington | Non-Transient Non-Community | 700 |
| SPLASH MAGIC | PA4490344 | Washington | Transient Non-Community | 700 |
| EPHRATA RACEWAY PARK | WA5351856 | Washington | Transient Non-Community | 700 |
| IRENE REITHER PRIMARY SCHOOL | WA5352901 | Washington | Non-Transient Non-Community | 700 |
| UNION | WA5351920 | Washington | Community | 700 |
| SPAR RESTAURANT, THE | WA5301366 | Washington | Transient Non-Community | 700 |
| MOUNT BAKER SCHOOL DISTRICT-DEMING | WA5301468 | Washington | Non-Transient Non-Community | 700 |
| LAKE WENATCHEE STATE PARK NORTH SI | WA53SP430 | Washington | Transient Non-Community | 699 |
| KITTITAS COUNTY WATER DISTRICT #5 | WA5342704 | Washington | Community | 699 |
| OAK PARK | WA5362675 | Washington | Community | 695 |
| BAY VIEW STATE PARK | WA53SP040 | Washington | Transient Non-Community | 692 |
| MCNEIL ISLAND WATER | WA5352900 | Washington | Community | 692 |
| OCEAN BREEZE RESORT | WA5300752 | Washington | Transient Non-Community | 687 |
| TELFORD REST AREA | WA53HD800 | Washington | Transient Non-Community | 686 |
| SELAH CR NB REST AREA | WA53HD670 | Washington | Transient Non-Community | 685 |