Community Water System · PWS VT0005160
Morrisville Water and Light
Operator location Morrisville, Vermont - upper-third violation load (> 74 violations) with 127 EPA violations; groundwater source; 2,935 served (PWS-level, not municipal population).
- 2,935
- People served (this PWS)
- 127
- EPA violations (this PWS)
- 10
- Health-based (this PWS)
- No PFAS
- UCMR5 (this PWS)
Morrisville Water and Light standing, high SDWIS violation third
127 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 8% is middle-third health share (≤ 23%). UCMR5: UCMR5 tested, none detected. Population rank #10,830 of 29,740 among systems serving 500+.
The verdict
Morrisville Water and Light sits in the upper third of the sitemap cohort by violation count (127), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 2,935 (mid served population (≤ 3,309)). Health-based share is 8% (middle-third health share (≤ 23%)). UCMR5 tested this system and reported no PFAS above the minimum reporting level.
- #10,830 of 29,740
- Population · /systems
- #41 of 185
- Population · VT
- 127
- Total EPA violations on record
- 8%
- 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
- 1,120
- County
- Lamoille
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 112
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 14 | 2012 |
| Arsenic | MR | 8 | 2019 |
| Barium | MR | 8 | 2019 |
| Cadmium | MR | 8 | 2019 |
| Chromium | MR | 8 | 2019 |
| Nickel | MR | 8 | 2019 |
| Thallium, Total | MR | 8 | 2019 |
| Selenium | MR | 8 | 2019 |
| Antimony, Total | MR | 8 | 2019 |
| Mercury | MR | 8 | 2019 |
| Beryllium, Total | MR | 8 | 2019 |
| Lead and Copper Rule | TT | 5 | 1997 |
| Coliform (TCR) | MCL | 5 | 2005 |
| Lead and Copper Rule | MR | 5 | 2009 |
| Fluoride | MR | 5 | 2020 |
| Nitrate | MR | 4 | 2006 |
| Chlorine | MR | 4 | 2012 |
| Consumer Confidence Rule | Other | 3 | 2010 |
Violation Count vs. the National Corpus
Morrisville Water and Light has 127 recorded EPA violations, 78% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 22% carry more. 8% of this system's own violations are health-based (10 of 127), and it ranks #10,830 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)
127 Higher than most more violations than 78% 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. 0 of 58 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFTrDA | 4/18/2023 | <7.00 ppt | 7.00 ppt | Not Detected |
| PFDoA | 4/18/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFHxA | 4/18/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFDA | 4/18/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFOA | 4/18/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFOS | 4/18/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFNA | 4/18/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFHpA | 4/18/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| NEtFOSAA | 4/18/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFTA | 4/18/2023 | <8.00 ppt | 8.00 ppt | Not Detected |
| PFHxS | 4/18/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| NMeFOSAA | 4/18/2023 | <6.00 ppt | 6.00 ppt | Not Detected |
| PFEESA | 4/18/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFUnA | 4/18/2023 | <2.00 ppt | 2.00 ppt | Not Detected |
| PFHpS | 4/18/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFPeS | 4/18/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFPeA | 4/18/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| NFDHA | 4/18/2023 | <20.00 ppt | 20.00 ppt | Not Detected |
| PFMBA | 4/18/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFMPA | 4/18/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| 8:2 FTS | 4/18/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| 4:2 FTS | 4/18/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| 6:2 FTS | 4/18/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFBA | 4/18/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| HFPO-DA | 4/18/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| ADONA | 4/18/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| 9Cl-PF3ONS | 4/18/2023 | <2.00 ppt | 2.00 ppt | Not Detected |
| 11Cl-PF3OUdS | 4/18/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFBS | 4/18/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| 9Cl-PF3ONS | 10/17/2023 | <2.00 ppt | 2.00 ppt | Not Detected |
| PFHxA | 10/17/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| 11Cl-PF3OUdS | 10/17/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| ADONA | 10/17/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFUnA | 10/17/2023 | <2.00 ppt | 2.00 ppt | Not Detected |
| PFDoA | 10/17/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFBA | 10/17/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFOS | 10/17/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFNA | 10/17/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFHxS | 10/17/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFHpA | 10/17/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| HFPO-DA | 10/17/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFEESA | 10/17/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFOA | 10/17/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFBS | 10/17/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFDA | 10/17/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| NEtFOSAA | 10/17/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| 6:2 FTS | 10/17/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFTA | 10/17/2023 | <8.00 ppt | 8.00 ppt | Not Detected |
| NMeFOSAA | 10/17/2023 | <6.00 ppt | 6.00 ppt | Not Detected |
| PFHpS | 10/17/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
SDWIS compliance record for Morrisville Water and Light
127 violations on record for VT0005160; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.
Sources: EPA SDWIS
Nationwide peers
127 violations · 2,935 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 Morrisville Water and Light
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Vermont compares on the same EPA violation measures. Vermont 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.