LAST AND NEXT SAMPLE REPORT

Date:01-22-2026	STATE OF CALIFORNIA
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4900553	SYSTEM NAME:PARK ROYAL MUTUAL WATER COMPANY	COUNTY:SONOMA
SOURCE NO.:005	SOURCE NAME:DIST - ...*	SOURCE CLASS:DBPT	STATUS:A

PS Codes	Group Name	Analyte Number	Analyte Name	Results			Unit	MCL	DLR	Last Sampled	Frequency	Next Due	Notes
PS Codes	Group Name	Analyte Number	Analyte Name	Detected Level	Less Than	RL	Unit	MCL	DLR	Last Sampled	Frequency	Next Due	Notes
CA4900553_DST_005	DISINFECTION BYPRODUCTS	2456	TOTAL HALOACETIC ACIDS (HAA5)	6.700		1.000	UG/L	60		08-09-2022	36	2025/08	DUE NOW
CA4900553_DST_005	DISINFECTION BYPRODUCTS	2950	TTHM	11.550		1.000	UG/L	80		08-09-2022	36	2025/08	DUE NOW
CA4900553_DST_005	INORGANIC	1094	ASBESTOS		<	0.200	MFL	7	.2	09-23-2024	108	2033/09
PS Codes	Group Name	Analyte Number	Analyte Name	Detected Level	Less Than	RL	Unit	MCL	DLR	Last Sampled	Frequency	Next Due	Notes

*Please refer to the Stage 2 DBP Monitoring Plan Approval Letter for full sample point names.

RL – Reporting Level means the level to which the laboratory reported the presence of an analyte. For radionuclides, Reporting Level is the MDA95.

DLR – Detection Limit for purposes of Reporting (DLR) means the designated minimum level at or above which any analytical finding of a contaminant in drinking water resulting from monitoring required under Chapter 15 of Title 22 shall be reported to the State Board (California Code of Regulations Section § 64400.34)

For addtional definitions, please refer to our data dictionary.