Water Subcommittee
June 23, 2025

pH TSS BOD TDS TDS
(S.U.) (mg/L) (mg/L) (mg/L) (ppd)
10/2/2024 6.12 102 2,740 332 462
10/18/2024 1,080
10/30/2024 239
11/5/2024 7.69 252 23 5 455
11/12/2024 561
11/26/2024 851
12/3/2024 6.89 482 85.4 8 462
12/12/2024 2 <87
12/19/2024 1,450
12/24/2024 <80
12/31/2024 <87
1/7/2025 7.98 124 81 441 455
1/16/2025 774
1/23/2025 <82
1/28/2025 <93
2/4/2025 7.4 4 <98 642 527
2/14/2025 671
2/20/2025 254
2/28/2025 444
3/4/2025 7.99 5 317 514 526
3/13/2025 983
3/18/2025 365
3/25/2025 111
4/1/2025 6.63 2 84.3 734 765
4/8/2025 220
4/14/2025 703
4/22/2025 219
5/2/2025 7.81 34 <64.1 390 670
5/8/2025 8.4 56 39 380 City
5/15/2025 1,370
5/20/2025 1,720
5/27/2025 <60.7
6/3/2025 <87.7
SNC 400 Chronic 560 TRC
2024 SNC % 45% 45%
2025 SNC % 32% 27%
Date
Niagara Summary of Pollutant Concetration for Rialto's Wastewater Discharge