Question 1

Is Leicester Water Supply District water safe to drink?

Accepted Answer

Leicester Water Supply District (PWS ID: MA2151000) has 184 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 3,200 people using Surface Water sources.

Question 2

How many people does Leicester Water Supply District serve?

Accepted Answer

EPA SDWIS reports that Leicester Water Supply District serves 3,200 people (this public water system's service population, not the municipal population of Leicester or any other city). It is a Local-owned system using Surface Water water sources with 707 service connections. The operator address is listed in Leicester, Massachusetts.

Question 3

What type of violations does Leicester Water Supply District have?

Accepted Answer

Leicester Water Supply District has 184 total violations: 61 health-based violations (MCL exceedances or treatment failures), 98 monitoring/reporting violations, and 12 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Question 4

Has PFAS been detected in Leicester Water Supply District water?

Accepted Answer

No PFAS testing data is available for Leicester Water Supply District under the EPA's UCMR5 monitoring program.

Question 5

What water source does Leicester Water Supply District use?

Accepted Answer

Leicester Water Supply District uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.

Question 6

Where does this data come from?

Accepted Answer

All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Question 7

Where does Leicester Water Supply District sit among U.S. public water systems?

Accepted Answer

According to EPA SDWIS population_served among sitemap-advertised systems (serving 500+), Leicester Water Supply District ranks #10,155 of 29,740 by people served, and #265 of 418 in Massachusetts. Ordinals use population_served DESC among systems serving 500+ (the sitemap cohort). See /methodology#corpus-placement.

Question 8

How does Leicester Water Supply District's violation count compare nationally?

Accepted Answer

Leicester Water Supply District has 184 recorded EPA SDWIS violations, fewer than 16% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 84% of that cohort has fewer violations than Leicester Water Supply District. A system can have zero recorded violations and still be actively monitored, and a high violation count often reflects a system that reports thoroughly, not necessarily one with worse water.

Contaminant	Category	Count	Latest
Arsenic	MCL	34	2010
Coliform (TCR)	MR	14	2011
Coliform (TCR)	MCL	12	2012
Surface Water Treatment Rule	TT	12	2008
Surface Water Treatment Rule	MR	12	2007
Consumer Confidence Rule	Other	4	2012
Nitrate	MR	4	2013
Lead and Copper Rule	MR	4	2014
Arsenic	MR	4	2011
Combined Uranium	MCL	3	2003
Benzene	MR	2	2011
Carbon tetrachloride	MR	2	2011
Trichloroethylene	MR	2	2011
Vinyl chloride	MR	2	2011
trans-1,2-Dichloroethylene	MR	2	2011
cis-1,2-Dichloroethylene	MR	2	2011
1,2-Dichloropropane	MR	2	2011
Ethylbenzene	MR	2	2011
Tetrachloroethylene	MR	2	2011
Toluene	MR	2	2011
p-Dichlorobenzene	MR	2	2011
Xylenes, Total	MR	2	2011
1,1,2-Trichloroethane	MR	2	2011
1,2,4-Trichlorobenzene	MR	2	2011
Combined Uranium	MR	2	2011
Total Haloacetic Acids (HAA5)	MR	2	2014
Radium-228	MR	2	1995
Gross Beta Particle Activity	MR	2	1995
Tritium	MR	2	1995
Styrene	MR	2	2011

Leicester Water Supply District

Leicester Water Supply District standing, high SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

Health-based violations on Leicester Water Supply District

Nationwide peers

Cross-state systems with comparable violation load

Cross-state systems near this population served