Question 1

Is Rosalia Town Of water safe to drink?

Accepted Answer

Rosalia Town Of (PWS ID: WA5374250) has 64 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 831 people using Groundwater sources.

Question 2

How many people does Rosalia Town Of serve?

Accepted Answer

EPA SDWIS reports that Rosalia Town Of serves 831 people (this public water system's service population, not the municipal population of Rosalia or any other city). It is a Local-owned system using Groundwater water sources with 311 service connections. The operator address is listed in Rosalia, Washington.

Question 3

What type of violations does Rosalia Town Of have?

Accepted Answer

Rosalia Town Of has 64 total violations: 9 health-based violations (MCL exceedances or treatment failures), 46 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Question 4

Has PFAS been detected in Rosalia Town Of water?

Accepted Answer

No PFAS testing data is available for Rosalia Town Of under the EPA's UCMR5 monitoring program.

Question 5

What water source does Rosalia Town Of use?

Accepted Answer

Rosalia Town Of uses Groundwater 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 Rosalia Town Of sit among U.S. public water systems?

Accepted Answer

According to EPA SDWIS population_served among sitemap-advertised systems (serving 500+), Rosalia Town Of ranks #22,022 of 29,740 by people served, and #585 of 766 in Washington. Ordinals use population_served DESC among systems serving 500+ (the sitemap cohort). See /methodology#corpus-placement.

Question 8

How does Rosalia Town Of's violation count compare nationally?

Accepted Answer

Rosalia Town Of has 64 recorded EPA SDWIS violations, fewer than 37% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 63% of that cohort has fewer violations than Rosalia Town Of. 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
Coliform (TCR)	MCL	9	2006
Consumer Confidence Rule	Other	6	2018
Coliform (TCR)	MR	3	2012
cis-1,2-Dichloroethylene	MR	2	2008
o-Dichlorobenzene	MR	2	2008
trans-1,2-Dichloroethylene	MR	2	2008
Tetrachloroethylene	MR	2	2008
CHLOROBENZENE	MR	2	2008
Benzene	MR	2	2008
p-Dichlorobenzene	MR	2	2008
Vinyl chloride	MR	2	2008
1,1-Dichloroethylene	MR	2	2008
1,2-Dichloroethane	MR	2	2008
1,1,1-Trichloroethane	MR	2	2008
1,2-Dichloropropane	MR	2	2008
Trichloroethylene	MR	2	2008
1,1,2-Trichloroethane	MR	2	2008
Ethylbenzene	MR	2	2008
Styrene	MR	2	2008
Nitrate	MR	2	2022
1,2,4-Trichlorobenzene	MR	2	2008
DICHLOROMETHANE	MR	2	2008
Carbon tetrachloride	MR	2	2008
Toluene	MR	2	2008
Gross Alpha, Excl. Radon and U	MR	1	1979

Rosalia Town Of

Rosalia Town Of standing, mid SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

Population served record for Rosalia Town Of

Nationwide peers

Cross-state systems near this violation count

Cross-state systems with smaller service footprints