Question 1

Is Halcyon Acres 2 water safe to drink?

Accepted Answer

Halcyon Acres 2 (PWS ID: AZ0410058) has 128 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 164 people using Groundwater sources.

Question 2

How many people does Halcyon Acres 2 serve?

Accepted Answer

EPA SDWIS reports that Halcyon Acres 2 serves 164 people (this public water system's service population, not the municipal population of Tucson or any other city). It is a Private-owned system using Groundwater water sources with 67 service connections. The operator address is listed in Tucson, Arizona.

Question 3

What type of violations does Halcyon Acres 2 have?

Accepted Answer

Halcyon Acres 2 has 128 total violations: 2 health-based violations (MCL exceedances or treatment failures), 113 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 Halcyon Acres 2 water?

Accepted Answer

No PFAS testing data is available for Halcyon Acres 2 under the EPA's UCMR5 monitoring program.

Question 5

What water source does Halcyon Acres 2 use?

Accepted Answer

Halcyon Acres 2 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

How does Halcyon Acres 2's violation count compare nationally?

Accepted Answer

Halcyon Acres 2 has 128 recorded EPA SDWIS violations, fewer than 22% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 78% of that cohort has fewer violations than Halcyon Acres 2. 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)	MR	10	2009
Consumer Confidence Rule	Other	10	2019
Nitrate	MR	8	2002
Revised Total Coliform Rule	MON	6	2019
Lead and Copper Rule	MR	3	2006
Public Notice	Other	3	2020
DICHLOROMETHANE	MR	2	2002
o-Dichlorobenzene	MR	2	2002
1,1-Dichloroethylene	MR	2	2002
trans-1,2-Dichloroethylene	MR	2	2002
1,2-Dichloroethane	MR	2	2002
1,1,1-Trichloroethane	MR	2	2002
1,1,2-Trichloroethane	MR	2	2002
Toluene	MR	2	2002
Ethylbenzene	MR	2	2002
1,2,4-Trichlorobenzene	MR	2	2002
cis-1,2-Dichloroethylene	MR	2	2002
Xylenes, Total	MR	2	2002
Styrene	MR	2	2002
Coliform (TCR)	MCL	2	2007
Chlorine	MR	2	2015
Fluoride	MR	2	1989
Barium	MR	2	1989
Cadmium	MR	2	1989
Selenium	MR	2	1989
Mercury	MR	2	1989
Chromium	MR	2	1989
Arsenic	MR	2	1989
Benzene	MR	2	2002
Carbon tetrachloride	MR	2	2002

Halcyon Acres 2

Halcyon Acres 2 standing, high SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

Population served record for Halcyon Acres 2

Nationwide peers

Cross-state systems with comparable violation load