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Tap water quality report

Rainier Tracts Water Assn

EPA monitoring tested this supplier for 57 contaminants and detected 13. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

57
contaminants tested
13
detected
61
people served
4
health-based violations
Washington rankingsLead in WashingtonPFAS in Washington
Water source
Ground water
Ownership
Private
Counties served
Adams

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

4
health-based violations
186
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Archived 1991-10-01 → 1991-10-31
MCL Health-based Archived 1991-10-01 → 1991-10-31
MCL Health-based Archived 1991-10-01 → 1991-10-31
MCL Health-based Archived 1991-10-01 → 1991-10-31
Other Monitoring Resolved 2025-07-01
MR Monitoring Resolved 2025-07-01 → 2025-09-30
MR Monitoring Resolved 2025-04-01 → 2025-06-30
MON Monitoring Resolved 2024-10-01 → 2024-10-31
MR Monitoring Resolved 2022-10-01 → 2022-12-31
MR Monitoring Resolved 2021-01-01 → 2021-12-31

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Nitrate
7410 µg/L 74%
of the EPA limit 10000 µg/L
 12/12 SYR4 2012–2016
Lead
0.0010 mg/L 6.7%
of the EPA limit 0.0150 mg/L
 9/9 LCR 2023
Bromodichloromethane
15.319 µg/L
No EPA limit set
worst single sample: 15.9 µg/L
2/4 SYR4 2013–2018
Bromoform
14.18 µg/L
No EPA limit set
worst single sample: 14.8 µg/L
2/4 SYR4 2013–2018
Chloroform
8.5855 µg/L
No EPA limit set
worst single sample: 9 µg/L
2/4 SYR4 2013–2018
Dibromoacetic Acid
9.895 µg/L
No EPA limit set
worst single sample: 10.2 µg/L
2/3 SYR4 2013–2018
Dibromochloromethane
15.11 µg/L
No EPA limit set
worst single sample: 15.2 µg/L
2/4 SYR4 2013–2018
Dichloroacetic Acid
4.4955 µg/L
No EPA limit set
worst single sample: 4.6 µg/L
2/3 SYR4 2013–2018
TTHM
42.0345 µg/L 53%
of the EPA limit 80 µg/L
worst single sample: 42.5 µg/L
2/2 SYR4 2013–2014
Total Haloacetic Acids (HAA5)
13.808 µg/L 23%
of the EPA limit 60 µg/L
worst single sample: 13.94 µg/L
2/3 SYR4 2013–2018
Combined Radium (-226 And -228)
0.6900 pCi/L 14%
of the EPA limit 5 pCi/L
 1/1 SYR4 2012
Monobromoacetic Acid
1.23 µg/L
No EPA limit set
 1/3 SYR4 2013–2018
Trichloroacetic Acid
2.6 µg/L
No EPA limit set
 1/3 SYR4 2013–2018
44 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane2,4,5-TP2,4-DAtrazineBhc-GammaBenzeneBenzo(A)PyreneChlorobenzeneCarbon TetrachlorideChlordaneDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebEndrinEthylbenzeneHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMethoxychlorMonochloroacetic AcidPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
Judi Ellis

Frequently asked questions about Rainier Tracts Water Assn

Is Rainier Tracts Water Assn tap water safe to drink?

EPA monitoring detected 13 contaminants in Rainier Tracts Water Assn's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Rainier Tracts Water Assn's water?

EPA monitoring detected Nitrate, Lead, Bromodichloromethane, Bromoform, Chloroform, and others. The full list with the level and data source for each is above.

How many people does Rainier Tracts Water Assn serve?

Rainier Tracts Water Assn reports serving 61 people in Washington, per its EPA record.

Has Rainier Tracts Water Assn had any water quality violations?

The EPA has 186 violations on file for Rainier Tracts Water Assn, of which 4 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.