Question 1

Is Agate Bay Water Company water safe to drink?

Accepted Answer

Agate Bay Water Company (PWS ID: CA3110012) has 94 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 2,500 people using Surface Water sources.

Question 2

How many people does Agate Bay Water Company serve?

Accepted Answer

EPA SDWIS reports that Agate Bay Water Company serves 2,500 people (this public water system's service population, not the municipal population of Carnelian Bay or any other city). It is a Private-owned system using Surface Water water sources with 584 service connections. The operator address is listed in Carnelian Bay, California.

Question 3

What type of violations does Agate Bay Water Company have?

Accepted Answer

Agate Bay Water Company has 94 total violations: 18 health-based violations (MCL exceedances or treatment failures), 74 monitoring/reporting violations, and 5 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Question 4

Has PFAS been detected in Agate Bay Water Company water?

Accepted Answer

No PFAS testing data is available for Agate Bay Water Company under the EPA's UCMR5 monitoring program.

Question 5

What water source does Agate Bay Water Company use?

Accepted Answer

Agate Bay Water Company 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 Agate Bay Water Company sit among U.S. public water systems?

Accepted Answer

According to EPA SDWIS population_served among sitemap-advertised systems (serving 500+), Agate Bay Water Company ranks #11,878 of 29,740 by people served, and #837 of 1,701 in California. Ordinals use population_served DESC among systems serving 500+ (the sitemap cohort). See /methodology#corpus-placement.

Question 8

How does Agate Bay Water Company's violation count compare nationally?

Accepted Answer

Agate Bay Water Company has 94 recorded EPA SDWIS violations, fewer than 28% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 72% of that cohort has fewer violations than Agate Bay Water Company. 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	13	2012
Lead and Copper Rule	MR	6	2023
Surface Water Treatment Rule	TT	4	1993
Arsenic	MR	2	2013
Chromium	MR	2	2013
Fluoride	MR	2	2013
Nitrite	MR	2	2013
Beryllium, Total	MR	2	2013
Selenium	MR	2	2013
1,2,4-Trichlorobenzene	MR	2	2013
cis-1,2-Dichloroethylene	MR	2	2013
Xylenes, Total	MR	2	2013
o-Dichlorobenzene	MR	2	2013
Vinyl chloride	MR	2	2013
1,1-Dichloroethylene	MR	2	2013
1,2-Dichloroethane	MR	2	2013
Carbon tetrachloride	MR	2	2013
1,2-Dichloropropane	MR	2	2013
Trichloroethylene	MR	2	2013
1,1,2-Trichloroethane	MR	2	2013
Tetrachloroethylene	MR	2	2013
Styrene	MR	2	2013
p-Dichlorobenzene	MR	2	2013
Barium	MR	2	2013
Surface Water Treatment Rule	MR	2	1992
Cadmium	MR	2	2013
trans-1,2-Dichloroethylene	MR	2	2013
Ethylbenzene	MR	2	2013
Nickel	MR	2	2013
Antimony, Total	MR	2	2013

Agate Bay Water Company

Agate Bay Water Company standing, high SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

SDWIS compliance record for Agate Bay Water Company

Nationwide peers

Cross-state systems with comparable violation load

Cross-state systems near this population served