Community Water System · PWS NY4404392
Norfolk Water District
Operator location Norfolk, New York - upper-third violation load (> 74 violations) with 222 EPA violations; groundwater source; 2,300 served (PWS-level, not municipal population).
- 2,300
- People served (this PWS)
- 222
- EPA violations (this PWS)
- 12
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Norfolk Water District standing, high SDWIS violation third
222 EPA SDWIS violations on record - upper-third violation load (> 74 violations). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 5% is middle-third health share (≤ 23%). Population rank #12,565 of 29,740 among systems serving 500+.
The verdict
Norfolk Water District sits in the upper third of the sitemap cohort by violation count (222), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 2,300 (mid served population (≤ 3,309)). Health-based share is 5% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #12,565 of 29,740
- Population · /systems
- #434 of 1,204
- Population · NY
- 222
- Total EPA violations on record
- 5%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 775
- County
- St. Lawrence
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 202
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 9 | 2013 |
| Revised Total Coliform Rule | MON | 9 | 2024 |
| TTHM | MCL | 8 | 2006 |
| Lead and Copper Rule | MR | 4 | 2007 |
| Consumer Confidence Rule | Other | 4 | 2009 |
| Surface Water Treatment Rule | TT | 4 | 2008 |
| Carbon tetrachloride | MR | 3 | 2004 |
| Cadmium | MR | 3 | 2004 |
| 1,2-Dichloropropane | MR | 3 | 2004 |
| Trichloroethylene | MR | 3 | 2004 |
| Benzene | MR | 3 | 2004 |
| Toluene | MR | 3 | 2004 |
| Fluoride | MR | 3 | 2004 |
| Mercury | MR | 3 | 2004 |
| Nickel | MR | 3 | 2004 |
| Antimony, Total | MR | 3 | 2004 |
| Thallium, Total | MR | 3 | 2004 |
| BHC-GAMMA | MR | 3 | 2004 |
| Methoxychlor | MR | 3 | 2004 |
| Toxaphene | MR | 3 | 2004 |
| Dalapon | MR | 3 | 2004 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2004 |
| Simazine | MR | 3 | 2004 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 2004 |
| Picloram | MR | 3 | 2004 |
| Dinoseb | MR | 3 | 2004 |
| Hexachlorocyclopentadiene | MR | 3 | 2004 |
| LASSO | MR | 3 | 2004 |
| Heptachlor epoxide | MR | 3 | 2004 |
| 2,4-D | MR | 3 | 2004 |
Violation Count vs. the National Corpus
Norfolk Water District has 222 recorded EPA violations, 87% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 13% carry more. 5% of this system's own violations are health-based (12 of 222), and it ranks #12,565 of 29,740 by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
222 Higher than most more violations than 87% of 29,740 water systems
the national water-system corpus, bucketed by value
Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA SDWIS · 2026-05-15
SDWIS compliance record for Norfolk Water District
222 violations on record for NY4404392; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.
Sources: EPA SDWIS · New York State Department of Health, Public Water Systems
Nationwide peers
222 violations · 2,300 served: nearest cross-state SDWIS matches.
Cross-state systems with comparable violation load
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems near this population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Norfolk Water District
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in New York compares on the same EPA violation measures. New York systems
- Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
- Find and compare another public water system by name or PWSID. Search systems
EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.