Seneca County, New York
SDWIS compliance plate
Sheet NY099 · Seneca County 87 sys · 4,623 viol · #1437/3254
VIOL-SEVERE · HEALTH-LOW · RANK-MID · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-MID · BOOK-FULL
- VIOL-SEVERE 92.0% flagged
- HEALTH-LOW 3.4% health
- RANK-MID #1437/3254
- PHOTO-FINISH ±0.2 pp
- PFAS-CLEAN 0.0% detect
- SRC-GW GW lead 60%
- SYS-MID 87 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Broome County ( -0.2 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Seneca County ranks #1,437 of 3,254 counties by people served, and #53 of 58 counties in New York. See methodology · corpus placement.
Seneca County standing, lower-flagged corpus third
Flagged-system rate 92.0% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 3.4% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #1,437 of 3,254 · #53 of 58 in New York.
Flagged-rate neighbourhood around Seneca County
Lowest/highest poles plus in-state counties nearest Seneca County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
Compare beyond New York
Lower-flagged peers for Seneca County
Cross-state counties nearest Seneca County on flagged-system share (92.0%) and cumulative violation count (4,623). 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.