COUNTY WATER-SYSTEM LEDGER
Montgomery, Pennsylvania
EPA’s September 2026 export lists 17 active community water systems serving Montgomery, Pennsylvania, with 1 current-violation flags and 0 serious-violator flags among the covered systems.
Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026
01 / SYSTEMS
Water systems serving Montgomery, Pennsylvania
EPA associates 17 covered systems with Montgomery, Pennsylvania; their reported population-served values total 1,225,593 and may overlap.
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Aqua Pa Main SystemPA1460073 | 822,600 | Surface water | No current violation flagged |
| North Penn Water AuthorityPA1460034 | 91,941 | Surface water purchased | No current violation flagged |
| Pa American NorristownPA1460046 | 88,885 | Surface water | No current violation flagged |
| North Wales Water AuthorityPA1460048 | 72,496 | Surface water | No current violation flagged |
| Pottstown Borough Water AuthPA1460037 | 36,000 | Surface water | No current violation flagged |
| Horsham Water&Sewer AuthorityPA1460033 | 26,000 | Surface water purchased | No current violation flagged |
| Ambler Boro Water DeptPA1460020 | 20,000 | Surface water | No current violation flagged |
| Aqua Pa HatboroPA1460028 | 12,901 | Surface water purchased | No current violation flagged |
| Aqua Pa Superior Main SystemPA1460085 | 11,400 | Surface water purchased | No current violation flagged |
| Collegeville Trappe Joint PwdPA1460022 | 8,470 | Ground water | No current violation flagged |
| Pa American AudubonPA1460055 | 8,200 | Surface water purchased | No current violation flagged |
| Telford Borough AuthorityPA1460050 | 7,700 | Surface water purchased | No current violation flagged |
| Schwenksville Borough AuthPA1460042 | 5,200 | Surface water purchased | No current violation flagged |
| Upper Hanover Water AuthorityPA1460036 | 4,600 | Ground water | Other current violation flag |
| Aqua Pa Perkiomen TownshipPA1460069 | 3,600 | Ground water | No current violation flagged |
| E Greenville Boro Water DeptPA1460023 | 3,100 | Surface water | No current violation flagged |
| Red Hill Water AuthorityPA1460039 | 2,500 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Montgomery, Pennsylvania
EPA classifies 17 systems serving Montgomery, Pennsylvania across 3 primary-source categories; Surface water is the largest category with 6 systems.
It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.