County profile · EPA SDWIS + UCMR5
Monroe County, New York
19 SDWIS-listed public water systems serve 263,490 people in Monroe County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 19
- SDWIS water systems Middle third of counties
- 190
- Total violations Lower third of counties
- 63.2%
- SDWIS systems w/ a violation Lower third of counties
- 25.0%
- UCMR5 PFAS rate (4 tested) Middle third of counties with tests
SDWIS compliance plate
Sheet NY055 · Monroe County 19 sys · 190 viol · #265/3254
VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-MID · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 63.2% flagged
- HEALTH-LOW 12.1% health
- RANK-TOP #265/3254
- PHOTO-FINISH ±0.2 pp
- PFAS-MID 25.0% detect
- SRC-GW GW lead 63%
- SYS-SMALL 19 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Genesee County (+ 0.2 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Monroe County ranks #265 of 3,254 counties by people served, and #11 of 58 counties in New York. See methodology · corpus placement.
Monroe County standing, lower-flagged corpus third
Flagged-system rate 63.2% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 12.1% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 25.0% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #265 of 3,254 · #11 of 58 in New York.
Flagged-rate neighbourhood around Monroe County
Lowest/highest poles plus in-state counties nearest Monroe County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Rochester City | 214,000 | 16 | Clean |
| Brockport Village | 25,918 | 36 | Clean |
| Sea Breeze WD | 9,900 | 16 | Clean |
| Hilton Village | 5,856 | 33 | Detected |
| Red-Rochester Dws | 3,034 | 10 | - |
| Red-Rochester Iws | 2,185 | 40 | - |
| New York Museum of Transportation | 1,000 | 0 | - |
| Stokoe Farms | 500 | 0 | - |
| Cragie Brae Country Club | 200 | 9 | - |
| Cobblestone Wedding Barn | 186 | 0 | - |
| Mill Creek Golf Club | 180 | 0 | - |
| Ocfs Industry Residential Center | 171 | 20 | - |
| Webster Assembly of God | 125 | 2 | - |
| Spencerport Assembly of God | 75 | 2 | - |
| Knollwood Swim Club | 60 | 0 | - |
| Conservation Club of Brockport | 25 | 1 | - |
| Rochester Brooks Gun Club | 25 | 5 | - |
| Rochester & Genesee Valley Rr Museum | 25 | 0 | - |
| Five Sons Winery | 25 | 0 | - |
Compare beyond New York
Lower-flagged peers for Monroe County
Cross-state counties nearest Monroe County on flagged-system share (63.2%) and cumulative violation count (190). 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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.