OHA Drinking Water Services
OR41
PWS ID: 00798 ---- SEAL ROCK WATER DISTRICT
Single Chemical Schedule

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Facility
ID
Facility Name Analyte
Code
Analyte Sampling
Interval
Monitoring
Period
Start
Monitoring
Period
Due Date
Days
Until
Due
Samples
Required
Samples
Received
Last
Sample
Date
Seasonal Sampling
Period
EP-C EP FOR BEAVER CREEK 2931 1,2-DIBROMO-3-CHLOROPROPANE Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2110 2,4,5-TP Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2105 2,4-D Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2050 ATRAZINE Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2306 BENZO(A)PYRENE Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2010 BHC-GAMMA Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2046 CARBOFURAN Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2959 CHLORDANE Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2031 DALAPON Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2035 DI(2-ETHYLHEXYL) ADIPATE Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2039 DI(2-ETHYLHEXYL) PHTHALATE Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2041 DINOSEB Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2032 DIQUAT Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2033 ENDOTHALL Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2005 ENDRIN Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2946 ETHYLENE DIBROMIDE Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2034 GLYPHOSATE Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2065 HEPTACHLOR Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2067 HEPTACHLOR EPOXIDE Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2274 HEXACHLOROBENZENE Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2042 HEXACHLOROCYCLOPENTADIENE Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2051 LASSO Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2015 METHOXYCHLOR Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2036 OXAMYL Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2326 PENTACHLOROPHENOL Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2040 PICLORAM Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2037 SIMAZINE Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2383 TOTAL POLYCHLORINATED BIPHENYLS (PCB) Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026
EP-C EP FOR BEAVER CREEK 2020 TOXAPHENE Quarterly4/1/2026 - 6/30/2026 90 1 0 1/14/2026