CAZENOVIA/NELSON PURCHASE DISTRICT vs NEW YORK CITY SYSTEM
Water quality comparison — risk levels, violations, PFAS records, and contaminants
Quick Answer
Both utilities share the same risk level (safe). CAZENOVIA/NELSON PURCHASE DISTRICT has 0 open health-based violations and 0 PFAS records. NEW YORK CITY SYSTEM has 1 open health-based violation and 464 PFAS records.
New York · NY2600033
No Concerns Detected
Water meets all safety standards with no detected exceedances.
0
Open violations
0
PFAS records
New York · NY7003493
No Concerns Detected
Water meets all safety standards with no detected exceedances.
1
Open violations
464
PFAS records
Head-to-Head Comparison
| Metric | CAZENOVIA/NELSON PURCHASE DISTRICT | NEW YORK CITY SYSTEM |
|---|---|---|
| State | New York | New York |
| Risk Level | No Concerns Detected | No Concerns Detected |
| Population Served | 595 | 8,271,000 |
| Open Health Violations | 0 | 1 |
| Total Violations | 0 | 10 |
| PFAS Records | None detected | 464 |
| Ownership | Local | Local |
| Service Type | Groundwater | Surface water |
| City Served | Nelson | New York |
Contaminants in Violation Records
CAZENOVIA/NELSON PURCHASE DISTRICT
No named contaminants in violation records.
NEW YORK CITY SYSTEM
- Lead
Key Differences
CAZENOVIA/NELSON PURCHASE DISTRICT has 0 open health-based violations vs. 1 for NEW YORK CITY SYSTEM.
CAZENOVIA/NELSON PURCHASE DISTRICT has 0 PFAS records vs. 464 for NEW YORK CITY SYSTEM.
What Should I Do?
If either utility shows open violations or elevated PFAS records, consider:
- Installing a reverse osmosis filter — removes PFAS, lead, arsenic, nitrates, and most heavy metals.
- Requesting your utility’s annual Consumer Confidence Report (CCR) for the most current test results.
- Ordering a certified lab water test if you want contaminant-specific data for your address.
Frequently Asked Questions
Which is safer — CAZENOVIA/NELSON PURCHASE DISTRICT or NEW YORK CITY SYSTEM?
Both utilities share the same risk level (safe). Both utilities have similar violation profiles — review the full data above to decide based on specific contaminants that concern you.
What does "open health-based violation" mean?
An open health-based violation means a water system has exceeded an EPA Maximum Contaminant Level (MCL) or failed to meet a treatment technique — and the violation has not yet been resolved. These are the most serious type of water quality violations.
How current is this data?
Violation data comes from EPA's Safe Drinking Water Information System (SDWIS), which is updated as utilities report. PFAS data comes from EPA's UCMR 5 monitoring (2023–2025). Risk levels are recalculated daily.
What does PWSID mean?
PWSID stands for Public Water System ID — a unique federal identifier assigned to each community water system. You can use it to look up a system in EPA's ECHO database.