- EPA's UCMR 5 testing looked for 30 contaminants here and found 10.
- Lithium: found in 7 of 26 samples, average 3.96 µg/L, highest 21.1 µg/L (EPA UCMR 5 testing, Mar 2023–Sep 2023)
- PFOA (a PFAS): found in 12 of 26 samples, average 4.4 ppt, highest 17.2 ppt (EPA UCMR 5 testing, Mar 2023–Sep 2023) PFOA or PFOS averaged above 4.0 ppt in UCMR 5 testing
- PFOS (a PFAS): found in 8 of 26 samples, average 2.3 ppt, highest 14.1 ppt (EPA UCMR 5 testing, Mar 2023–Sep 2023)
- PFPeA (a PFAS): found in 11 of 26 samples, average 1.6 ppt, highest 5.9 ppt (EPA UCMR 5 testing, Mar 2023–Sep 2023)
- PFHxA (a PFAS): found in 7 of 26 samples, average 1 ppt, highest 4.5 ppt (EPA UCMR 5 testing, Mar 2023–Sep 2023)
- PFHxS (a PFAS): found in 2 of 26 samples, average 0.90 ppt, highest 13.8 ppt (EPA UCMR 5 testing, Mar 2023–Sep 2023)
- PFBA (a PFAS): found in 4 of 26 samples, average 0.80 ppt, highest 6.1 ppt (EPA UCMR 5 testing, Mar 2023–Sep 2023)
- PFBS (a PFAS): found in 5 of 26 samples, average 0.80 ppt, highest 5.1 ppt (EPA UCMR 5 testing, Mar 2023–Sep 2023)
- PFNA (a PFAS): found in 1 of 26 samples, average 0.30 ppt, highest 8.1 ppt (EPA UCMR 5 testing, Mar 2023–Sep 2023)
- PFHpA (a PFAS): found in 1 of 26 samples, average 0.10 ppt, highest 3.4 ppt (EPA UCMR 5 testing, Mar 2023–Sep 2023)
- Lead, 90th percentile: 1.4 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2023–Dec 31, 2025). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
Public EPA test results
Can you drink Park Ridge tap water? What EPA records show
EPA NJ0247001 · serves Hillsdale Boro-0227, NJ · about 16,466 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
Park Ridge Water Dept (EPA NJ0247001)
EPA data as of October 14, 2026. For Park Ridge's main utility, Park Ridge Water Dept: We found no health-based violations in EPA's records for this system (NJ0247001) since July 1, 2021, as of October 14, 2026. This water system averaged above 4.0 ppt for PFOA or PFOS in EPA's UCMR 5 testing.
What EPA records show for Park Ridge Water Dept, as of October 14, 2026
We found no health-based violations in EPA's records for this system (NJ0247001) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Park Ridge Water Dept (SDWIS). Data as of October 14, 2026.
Lead, 90th percentile: 1.4 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2023–Dec 31, 2025). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
This water system averaged above 4.0 ppt for PFOA or PFOS in EPA's UCMR 5 testing.
EPA's UCMR 5 testing looked for 30 contaminants here and found 10.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Park Ridge Water Dept use chloramine?
We didn't find chloramine in Park Ridge Water Dept's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.
What EPA records show for this system
Reported results in EPA records (data as of Oct 14–15, 2026)
Source: EPA SDWIS (ECHO SDWA bulk download), data as of Oct 14, 2026
Source: EPA UCMR 5 occurrence data, data as of Oct 15, 2026
These are EPA's public records for this water system, shown as of October 14, 2026. If you represent this utility, or think a record here is wrong, tell us: Report an error. If the error is in EPA's own records, your state drinking water program can correct it there, and this page updates at our next data refresh.
Sources
- EPA ECHO detailed facility report: Park Ridge Water Dept (NJ0247001), July to September 2026 extract
- EPA SDWIS (ECHO SDWA bulk download), July to September 2026 extract
- EPA UCMR 5 occurrence data, samples through June 2026
Questions people ask
Is Park Ridge tap water safe to drink?
We don't give a safe or unsafe verdict. Here is what the public data shows: EPA records for Park Ridge's main utility, Park Ridge Water Dept, as of October 14, 2026. We found no health-based violations in EPA's records for this system (NJ0247001) since July 1, 2021, as of October 14, 2026. This water system averaged above 4.0 ppt for PFOA or PFOS in EPA's UCMR 5 testing. Under EPA's 2024 PFAS rule, water systems must meet the PFOA and PFOS limits (4.0 ppt each) by April 2029; in May 2026 EPA proposed allowing extensions to April 2031. Results before then are monitoring data, not violations. A guideline and a legal limit are different things, and this is public data, not a test of your tap.
Which utility supplies water in Park Ridge?
Park Ridge Water Dept is the main utility for Park Ridge in EPA's records (EPA NJ0247001), serving about 16,466 people (EPA SDWIS). Your water bill names your utility.
Does Park Ridge tap water contain PFAS?
This water system averaged above 4.0 ppt for PFOA or PFOS in EPA's UCMR 5 testing. PFOA (a PFAS): found in 12 of 26 samples, average 4.4 ppt, highest 17.2 ppt (EPA UCMR 5 testing, Mar 2023–Sep 2023). PFOS (a PFAS): found in 8 of 26 samples, average 2.3 ppt, highest 14.1 ppt (EPA UCMR 5 testing, Mar 2023–Sep 2023). Under EPA's 2024 PFAS rule, water systems must meet the PFOA and PFOS limits (4.0 ppt each) by April 2029; in May 2026 EPA proposed allowing extensions to April 2031. Results before then are monitoring data, not violations. This is public data, not a test of your tap.
How recent is this data?
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026. Data may be one to three years old and may not reflect the water at your tap. If you want your own tap tested, use a state-certified laboratory.
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