Niagara County, New York
SDWIS compliance plate
Sheet NY063 · Niagara County 21 sys · 128 viol · #302/3254
VIOL-HIGH · HEALTH-LOW · RANK-TOP · BELOW-PEER · PFAS-LOW · SRC-SW · SYS-SMALL · BOOK-FULL
- VIOL-HIGH 38.1% flagged
- HEALTH-LOW 1.6% health
- RANK-TOP #302/3254
- BELOW-PEER 25.1 pp cleaner
- PFAS-LOW 14.3% detect
- SRC-SW SW lead 100%
- SYS-SMALL 21 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Monroe County (+ 25.1 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Niagara County ranks #302 of 3,254 counties by people served, and #13 of 58 counties in New York. See methodology · corpus placement.
Niagara County standing, lower-flagged corpus third
Flagged-system rate 38.1% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 1.6% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 14.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #302 of 3,254 · #13 of 58 in New York.
Flagged-rate neighbourhood around Niagara County
Lowest/highest poles plus in-state counties nearest Niagara County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Niagara Falls Water Board | 50,193 | 84 | Clean |
| North Tonawanda City | 31,568 | 0 | Clean |
| Lockport City WTP | 21,165 | 0 | Clean |
| Lockport Town Wds | 21,105 | 0 | Clean |
| Wheatfield WD | 18,117 | 0 | Clean |
| Lewiston Water Improvementarea | 16,257 | 0 | Detected |
| Newfane Town Wds | 9,304 | 2 | Detected |
| Niagara Water Improvement Area | 8,100 | 0 | Clean |
| Royalton Townwide Water Dist. | 7,710 | 0 | Clean |
| Porter Master Improvement Area | 6,920 | 1 | Clean |
| Pendleton Town WD | 6,050 | 1 | Clean |
| Wilson Town Water District | 5,993 | 1 | Clean |
| Cambria Water District | 5,839 | 5 | Clean |
| Hartland WD | 4,117 | 0 | Clean |
| Lewiston Village | 2,781 | 1 | - |
| Somerset Consolidated WD | 2,723 | 0 | - |
| Youngstown (V) | 2,021 | 0 | - |
| Middleport Village | 1,917 | 33 | - |
| Wilson Village | 1,213 | 0 | - |
| Barker Village | 577 | 0 | - |
| Niagara County Water District | 0 | 0 | - |
Compare beyond New York
Lower-flagged peers for Niagara County
Cross-state counties nearest Niagara County on flagged-system share (38.1%) and cumulative violation count (128). 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.