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Community Water System · PWS NH1101040

Woodsville Water and Light

Operator location Woodsville, New Hampshire - upper-third violation load (> 74 violations) with 79 EPA violations; surface water source; 2,075 served (PWS-level, not municipal population).

2,075
People served (this PWS)
79
EPA violations (this PWS)
2
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Woodsville Water and Light standing, high SDWIS violation third

79 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 3% is middle-third health share (≤ 23%). Population rank #13,292 of 29,740 among systems serving 500+.

The verdict

Woodsville Water and Light sits in the upper third of the sitemap cohort by violation count (79), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 2,075 (mid served population (≤ 3,309)). Health-based share is 3% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

#13,292 of 29,740
Population · /systems
#63 of 284
Population · NH
79
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.

System Details

System Type
Community
Owner Type
Local
Connections
626
County
Grafton
School/Daycare
No
MCL Violations
0
Monitoring Violations
69
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 3 1991
Arsenic MR 2 1994
1,2,4-Trichlorobenzene MR 2 1994
Cadmium MR 2 1994
Xylenes, Total MR 2 1994
CYANIDE MR 2 1994
Fluoride MR 2 1994
p-Dichlorobenzene MR 2 1994
Mercury MR 2 1994
Vinyl chloride MR 2 1994
1,2-Dichloroethane MR 2 1994
Beryllium, Total MR 2 1994
1,1,1-Trichloroethane MR 2 1994
Thallium, Total MR 2 1994
Carbon tetrachloride MR 2 1994
1,1,2-Trichloroethane MR 2 1994
Tetrachloroethylene MR 2 1994
CHLOROBENZENE MR 2 1994
Benzene MR 2 1994
Toluene MR 2 1994
Ethylbenzene MR 2 1994
Lead and Copper Rule TT 2 1994
Styrene MR 2 1994
DICHLOROMETHANE MR 2 1994
Selenium MR 2 1994
1,2-Dichloropropane MR 2 1994
Barium MR 2 1994
Trichloroethylene MR 2 1994
Antimony, Total MR 2 1994
cis-1,2-Dichloroethylene MR 2 1994

Violation Count vs. the National Corpus

Woodsville Water and Light has 79 recorded EPA violations, 68% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 32% carry more. 3% of this system's own violations are health-based (2 of 79), and it ranks #13,292 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)

79 Around the middle fewer violations than 32% 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 Woodsville Water and Light

79 violations on record for NH1101040; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.

Sources: EPA SDWIS

Nationwide peers

79 violations · 2,075 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.

4 peers

Cross-state systems near this population served

Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).

4 peers

What to do with Woodsville Water and Light

Use this system's EPA-reported record as a starting filter, not a final verdict.

EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater