National Drinking Water Database
National Drinking Water Database - Chemical Contaminants
Strontium-89
Status: Unregulated - EPA has not established a maximum legal limit in tapwater for this contaminant.
Strontium-89 is a short-lived radioactive isotope of strontium used as a radiopharmaceutical for the treatment of metastatic bone cancer.
Detected |
Found above health guidelines |
Found above legal limit |
|
|---|---|---|---|
| States | 2 |
- |
- |
| Water utilities | 2 |
- |
- |
| People Served | 80,128 |
- |
- |
Health Concerns for Strontium-89:
- Organ system toxicity (non-reproductive)
- Endocrine disruption
- Ecotoxicology
- Persistence and bioaccumulation
Strontium-89 Exposure by State
Water utilities in 2 states have reported detecting Strontium-89 in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.
| State | Water Suppliers with Strontium-89 contamination | |
|---|---|---|
| Systems | Population | |
| Washington | 1 | 79,948 |
| New York | 1 | 180 |
| Total | 2 | 80,128 |
The Most Polluted Communities
2 water utilities reported detecting Strontium-89 in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies
Ranked by highest average Strontium-89 level
| Rank | System | Population Served | Positive test results of total reported tests | Average Level (Range) |
|---|---|---|---|---|
| 1 | Clark Public Utilities Vancouver, WA | 79,948 | 1 of 1 | 250 pCi/L (250 pCi/L) |
| 2 | Birch Hill Manor Pound Ridge, NY | 180 | 1 of 1 | 10 pCi/L (10 pCi/L) |
Testing Summary for Strontium-89
| Are tests routinely required for Strontium-89 by federal law? | No |
| Water suppliers reporting tests for Strontium-89 (2004-2009): | 6 of 47,576 |
| Average testing rate for water supplier reporting tests (2004-2009): | 0.3 per year |
Organ system toxicity (non-reproductive)
| Type of concern: | Reference: |
| Limited evidence of musculoskeletal toxicity | Agency for Toxic Substances and Disease Registry, 2004 |
| One or more animal studies show musculoskeletal effects at high doses (low dose studies may be unavailable for this ingredient) | RTECS®- Acta Pathologica, Microbiologica et Immunologica Scandinavica, Section A: Pathology 1987 |
| One or more animal studies show metabolic effects at high doses (low dose studies may be unavailable for this ingredient) | RTECS®- Acta Pathologica, Microbiologica et Immunologica Scandinavica, Section A: Pathology 1987 |
| Classified as not expected to be potentially toxic or harmful | Environment Canada Domestic Substance List |
Endocrine disruption
| Type of concern: | Reference: |
| One or more animal studies show endocrine system disruption at high doses | RTECS®- Acta Pathologica, Microbiologica et Immunologica Scandinavica, Section A: Pathology 1987 |
Ecotoxicology
| Type of concern: | Reference: |
| Not suspected to be an environmental toxin | Environment Canada Domestic Substance List |
Persistence and bioaccumulation
| Type of concern: | Reference: |
| Not suspected to be bioaccumulative | Environment Canada Domestic Substance List |
Government, industry, academic studies and classifications
| government/industry list/academic study | appears on list as | classification(s) |
| Association of Occupational and Environmental Clinics | STRONTIUM | • o |
| Canada - Prohibited and Restricted Cosmetics Ingredients | STRONTIUM | •Use is restricted in Canadian cosmetics |
| Environment Canada Domestic Substance List | STRONTIUM | •This chemical was NOT flagged by CEPA for further attention. The chemical was flagged for suspected persistence. |
| Japan's Standards for Cosmetics | STRONTIUM COMPOUNDS | •Japan - prohibited for use in cosmetics |
| Agency for Toxic Substances and Disease Registry, 2004 | STRONTIUM | •Musculoskeletal toxicity hazards: suspected |
| RTECS®- Acta Pathologica, Microbiologica et Immunologica Scandinavica, Section A: Pathology 1987 | STRONTIUM | • metabolic - Weight loss or decreased weight gain (rat TDLo) • musculoskeletal - Osteomalacia (rat TDLo) • endocrine system - Other changes (rat TDLo) |
references
| government/industry list/academic study | reference |
| Association of Occupational and Environmental Clinics | AOEC (Association of Occupational and Environmental Clinics). 2009. AEOC exposures codes and asthmagen designation. |
| Canada - Prohibited and Restricted Cosmetics Ingredients | Health Canada. 2007. List of Prohibited and Restricted Cosmetic Ingredients. Canada's Cosmetic Ingredient Hotlist. March 2007. |
| Environment Canada Domestic Substance List | EC (Environment Canada). 2008. Domestic Substances List Categorization. Canadian Environmental Protection Act (CEPA) Environmental Registry. |
| Japan's Standards for Cosmetics | Japan Ministry of Health, Labour and Welfare. 2006. Standards for Cosmetics. Evaluation and Licensing Division. Pharmaceutical and Food Safety Bureau. |
| Scorecard.org Toxicity Information | Agency for Toxic Substances and Disease Registry. Minimal risk Levels for Hazardous Substances. January 2004. http://www.atsdr.cdc.gov/mrls.html |
| RTECS®- Acta Pathologica, Microbiologica et Immunologica Scandinavica, Section A: Pathology 1987 | RTECS®- Acta Pathologica, Microbiologica et Immunologica Scandinavica, Section A: Pathology. (Munksgaard International Pub., POB 2148, DK-1016 Copenhagen K, Denmark) V.90-95, 1982-87. 95,309,1987 |
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