Philadelphia County, Pennsylvania
SDWIS compliance plate
Sheet PA101 · Philadelphia County 6 sys · 447 viol · #29/3254
VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-HIGH · SRC-SW · SYS-TINY · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-LOW 10.1% health
- RANK-TOP #29/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-HIGH 100.0% detect
- SRC-SW SW lead 83%
- SYS-TINY 6 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Delaware County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Philadelphia County ranks #29 of 3,254 counties by people served, and #2 of 68 counties in Pennsylvania. See methodology · corpus placement.
Philadelphia County standing, mid-flagged corpus third
Flagged-system rate 100.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 10.1% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #29 of 3,254 · #2 of 68 in Pennsylvania.
Flagged-rate neighbourhood around Philadelphia County
Lowest/highest poles plus in-state counties nearest Philadelphia County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Philadelphia Water Department | 1,600,000 | 130 | Detected |
| Thomas Jefferson Univ Hospital | 1,000 | 62 | - |
| Schuylkill Center for Env Edu | 100 | 71 | - |
| Pure Water 2 Go | 25 | 72 | - |
| Philly Water Works | 25 | 92 | - |
| Nu Water LLC | 25 | 20 | - |
Compare beyond Pennsylvania
Mid-flagged peers for Philadelphia County
Cross-state counties nearest Philadelphia County on flagged-system share (100.0%) and cumulative violation count (447). In-state neighbours stay on the compliance plate above.
Similar flagged-system rate
Nearest cross-state counties by % of SDWIS systems with at least one violation on record.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.