Community Water System · PWS PA1090063
Upper Southampton Mun Auth
Operator location Southampton, Pennsylvania - UCMR5 detected 8 PFAS compounds (upper-third PFAS panel (> 4 compounds)) on this PWS; SDWIS lists 856 violations and 16,000 people served.
- 16,000
- People served (this PWS)
- 856
- EPA violations (this PWS)
- 29
- Health-based (this PWS)
- 8 PFAS
- UCMR5 (this PWS)
Upper Southampton Mun Auth standing, high SDWIS violation third
UCMR5 detected 8 PFAS compounds - upper-third PFAS panel (> 4 compounds). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 3% is middle-third health share (≤ 23%). UCMR5: upper-third PFAS panel (> 4 compounds). Population rank #3,275 of 29,740 among systems serving 500+.
The verdict
Upper Southampton Mun Auth sits in the upper third of the sitemap cohort by violation count (856), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is large (16,000; larger served population (> 3,309)), so household exposure scale sits behind the violation mix. Health-based share is 3% (middle-third health share (≤ 23%)). UCMR5 detected 8 PFAS compounds (upper-third PFAS panel (> 4 compounds)).
- #3,275 of 29,740
- Population · /systems
- #108 of 1,340
- Population · PA
- 856
- Total EPA violations on record
- 3%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
8 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 5,201
- County
- Bucks
- School/Daycare
- No
- MCL Violations
- 21
- Monitoring Violations
- 794
- Treatment Tech Violations
- 8
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | MR | 45 | 2025 |
| Coliform (TCR) | MCL | 21 | 2014 |
| TTHM | MR | 19 | 2013 |
| Endrin | MR | 15 | 2017 |
| BHC-GAMMA | MR | 15 | 2017 |
| Total Haloacetic Acids (HAA5) | MR | 15 | 2013 |
| Methoxychlor | MR | 15 | 2017 |
| Simazine | MR | 14 | 2017 |
| Di(2-ethylhexyl) phthalate | MR | 14 | 2017 |
| LASSO | MR | 14 | 2017 |
| Heptachlor epoxide | MR | 14 | 2017 |
| Benzo(a)pyrene | MR | 14 | 2017 |
| Di(2-ethylhexyl) adipate | MR | 14 | 2017 |
| HEXACHLOROBENZENE | MR | 14 | 2017 |
| Hexachlorocyclopentadiene | MR | 14 | 2017 |
| Atrazine | MR | 14 | 2017 |
| Heptachlor | MR | 14 | 2017 |
| Toxaphene | MR | 13 | 2014 |
| Public Notice | Other | 13 | 2022 |
| DICHLOROMETHANE | MR | 12 | 2011 |
| p-Dichlorobenzene | MR | 12 | 2011 |
| 1,1-Dichloroethylene | MR | 12 | 2011 |
| 1,1,1-Trichloroethane | MR | 12 | 2011 |
| Carbon tetrachloride | MR | 12 | 2011 |
| 1,2-Dichloropropane | MR | 12 | 2011 |
| 1,1,2-Trichloroethane | MR | 12 | 2011 |
| CHLOROBENZENE | MR | 12 | 2011 |
| Ethylbenzene | MR | 12 | 2011 |
| Total Polychlorinated Biphenyls (PCB) | MR | 12 | 2014 |
| 1,2,4-Trichlorobenzene | MR | 12 | 2011 |
Violation Count vs. the National Corpus
Upper Southampton Mun Auth has 856 recorded EPA violations, 99% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 1% carry more. 3% of this system's own violations are health-based (29 of 856), and it ranks #3,275 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)
856 Higher than most more violations than 99% 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
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 32 of 232 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFBA | 7/21/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| HFPO-DA | 7/21/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| ADONA | 7/21/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| 9Cl-PF3ONS | 7/21/2023 | <2.00 ppt | 2.00 ppt | Not Detected |
| 11Cl-PF3OUdS | 7/21/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFUnA | 7/21/2023 | <2.00 ppt | 2.00 ppt | Not Detected |
| PFHxA | 7/21/2023 | 5.10 ppt | 3.00 ppt | Detected |
| PFDoA | 7/21/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFDA | 7/21/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFOA | 7/21/2023 | 12.80 ppt | 4.00 ppt | Detected |
| PFOS | 7/21/2023 | 14.80 ppt | 4.00 ppt | Detected |
| 6:2 FTS | 7/21/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFHxS | 7/21/2023 | 5.00 ppt | 3.00 ppt | Detected |
| PFHpS | 7/21/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFNA | 7/21/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFPeS | 7/21/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFHpA | 7/21/2023 | 4.00 ppt | 3.00 ppt | Detected |
| NMeFOSAA | 7/21/2023 | <6.00 ppt | 6.00 ppt | Not Detected |
| NEtFOSAA | 7/21/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| NFDHA | 7/21/2023 | <20.00 ppt | 20.00 ppt | Not Detected |
| PFTA | 7/21/2023 | <8.00 ppt | 8.00 ppt | Not Detected |
| 4:2 FTS | 7/21/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFBS | 7/21/2023 | 7.50 ppt | 3.00 ppt | Detected |
| PFEESA | 7/21/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFMBA | 7/21/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFPeA | 7/21/2023 | 5.00 ppt | 3.00 ppt | Detected |
| PFMPA | 7/21/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| 8:2 FTS | 7/21/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFTrDA | 7/21/2023 | <7.00 ppt | 7.00 ppt | Not Detected |
| NEtFOSAA | 7/21/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| 6:2 FTS | 7/21/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| 8:2 FTS | 7/21/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFPeA | 7/21/2023 | 8.30 ppt | 3.00 ppt | Detected |
| PFMBA | 7/21/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFEESA | 7/21/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| NFDHA | 7/21/2023 | <20.00 ppt | 20.00 ppt | Not Detected |
| PFPeS | 7/21/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFHpS | 7/21/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFTrDA | 7/21/2023 | <7.00 ppt | 7.00 ppt | Not Detected |
| PFBA | 7/21/2023 | 6.40 ppt | 5.00 ppt | Detected |
| NMeFOSAA | 7/21/2023 | <6.00 ppt | 6.00 ppt | Not Detected |
| 4:2 FTS | 7/21/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFTA | 7/21/2023 | <8.00 ppt | 8.00 ppt | Not Detected |
| PFOA | 7/21/2023 | 14.20 ppt | 4.00 ppt | Detected |
| HFPO-DA | 7/21/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFMPA | 7/21/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFHpA | 7/21/2023 | 5.10 ppt | 3.00 ppt | Detected |
| PFHxS | 7/21/2023 | 4.70 ppt | 3.00 ppt | Detected |
| PFOS | 7/21/2023 | 16.40 ppt | 4.00 ppt | Detected |
| PFBS | 7/21/2023 | 7.40 ppt | 3.00 ppt | Detected |
UCMR5 PFAS record for Upper Southampton Mun Auth
Open EPA SDWIS federal reports for PWS PA1090063 to cross-check UCMR5 detections and violation codes; state primacy agencies enforce the Safe Drinking Water Act locally.
Sources: EPA SDWIS · Pennsylvania DEP, Bureau of Safe Drinking Water
Nationwide peers
856 violations · 16,000 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 with similar served population
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Upper Southampton Mun Auth
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Pennsylvania compares on the same EPA violation measures. Pennsylvania 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.