PWSID: WA5387140 · Olympia, WA · Serves 260 people
According to EPA Safe Drinking Water Information System (SDWIS), TAMOSHAN (PWSID WA5387140) in Olympia, WA is listed as a CWS water system covering about 260 people. The same extract lists 23 health-based violation records spanning 2017-2023. Those 23 health-based rows for TAMOSHAN cover contaminants such as Total Haloacetic Acids (HAA5), TTHM; they remain historical EPA registry entries, not a current compliance or drinkability score.
TAMOSHAN has 23 health-based violation records in this historical extract. Monitoring and reporting records are not included.
Population Served
260
Health-Based Violation Records
23
Distinct Contaminant Codes
2
Source Type
Groundwater
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including Total Haloacetic Acids (HAA5), TTHM. Recorded violations span 2017–2023. Day-to-day primacy enforcement for this system runs through the Washington drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Washington state drinking-water program's public portal.
TAMOSHAN has 23 health-based violation records in this historical extract. Monitoring and reporting records are not included. The system uses groundwater water as its source.
How many people does TAMOSHAN serve?
TAMOSHAN serves 260 people in Olympia, WA. It is classified as a CWS water system.
What violations does TAMOSHAN have?
TAMOSHAN has 23 health-based violation records in PlainEnviro's extract spanning 2017–2023. Monitoring and reporting records are not included.
What contaminants have been found in TAMOSHAN water?
Violations have been recorded for 2 contaminants. The most frequent: Total Haloacetic Acids (HAA5), TTHM.
Compare beyond Washington
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest TAMOSHAN on cumulative violation count (23) and EPA-reported population served (260).
Violation-count peers include BETHEL-CITY S/D WATER, HOLLY GROVE WATERWORKS, DELIGHT WATERWORKS.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
TAMOSHAN (WA5387140) is drawn from EPA SDWIS. Nearby county systems in this extract include LACEY WATER DEPARTMENT; TUMWATER CITY OF; YELM CITY OF; TANGLEWILDE THOMPSON PLACE 600. Health-based rows (23 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services