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27 It was noted at this point that land use would be a pertinent factor in future planning with respect to not only residential areas but commercial and industrial developments , with regard to wastewater flow and load projections . Mr . Jenks referred to Chapter VI of the report - Water Quality Objectives and Waste Discharge Requirements - and stated that in assessing the significance of established water quality objectives and requirements for San Francisco Bay disposal , at least secondary wastewater treatment , such as provided through the use of activated sludge , would be necessary . It was also noted that to meet additional objectives relating to specific locations of discharge , the possibil - ity of second and third levels of prior treatment beyond secondary might be required . Additional levels of treatment should also be anticipated in order to meet probable future changed objectives and requirements relating to biostimula- tion , toxicity , and shellfishing . The imperative need for adequate control of certain undesirable constituents at their source was emphasized . A discussion was held on the need to establish limitations on discharge of certain difficult-to- treat and toxic materials , usually associated with industrial wastes . It was brought to Council ' s attention that a uniform County waste ordinance was in its final preparation stage that would include the nine bay county system directed at controlling unusual and unacceptable waste constituents or characteristics at their source . This area would be set up with cooperation of the Peninsula Manufacturing Association and other groups involving industrial discharges within the three cities , Belmont , San Carlos and Redwood City . Mr . Jenks highlighted the report with regard to "Reclamation and Reuse " , stating that the ultimate objective of the San Mateo County Water Quality Management Program would be wastewater reclamation for the purpose of beneficial reuse , to the greatest extent possible . This also would be the goal of the Legislature of the State of California , the State Water Resources Control Board , the San Francisco Bay Regional Water Quality Control Board , the Congress of the United States , and the Federal Environmental Protection Agency . He briefly discussed the "Development and Testing of Conceptual Systems " of the report and noted the Mathematical Model Node Network Map stating it had been possible to utilize the mathematical model in combination with computer techniques , to simulate the physical processes within the entire Bay system which would be impacted by discharge from San Mateo County sewering agencies . In addition, use of this model permitted estimation of the combined effects , not only of San Mateo County dischargers alone , but all other dischargers , East Bay , San Francisco , and lower South Bay as well , which revealed significant results , with respect to there being no markedly superior disposal alternative for the Bayside dischargers within the County although the three -point disposal system represented by existing ( 1974) outfalls was somewhat superior in respect to higher levels of dissolved oxygen . Consequently , the alternatives presented in Chapter 9 could be judged roughly equal in terms of their ability to meet water quality objectives . Mr . Jenks referred to Chapter X, "Evaluation of Alternatives " and Figure 10 - 1 , Comparison of Alternatives from an economic and non-economic standpoint . He noted in applying the criteria , it would appear that the same Alternatives found to be the most reliable , least costly , most flexible and reclamation enhancing would still be the most advantageous with respect to impact on regional planning and land use , He advised the Program would anticipate large- scale reclamation for beneficial reuse , primarily agriculture irrigation and/or land disposal , with capability in the South Coastside area of achieving the future objective of "zero discharge " . In discussion of the remaining capacity of the City ' s main sewage treatment plant , with respect to housing development , it was noted staff would have to be reactive and it would depend on what was approved and how fast the proposals for development occurred and what would be done with the permits . It was pointed out that the capacity was a subjective matter and subject to a complex set of variables . In response to the question of when the first chance would be to enlarge the sewage plant , Council was advised that basically it would depend on whether the cities involved would want to use their own resources or would want to depend upon the State and Federal Government grants in order to implement the Program . Reference was made to Table 13 -2 of the Report , regarding the suggested cost sharing for Stage I Project , noting the difference of approximate - ly S7 million without grants . Mr . Jenks reviewed the major steps for proposed State I implementation portion of the Program, noting it would be important to establish specific steps which must be taken in sequence . He reiterated that it was understood that fundamen- tally the entire implementation schedule would be undertaken within the framework of State and Federal grant availability and conditions related thereto . It should be emphasized that actual implementation would rest upon decisions by the State Water Resources Control Board with respect to grant priorities , and change in grant regulations , both State and Federal . City was advised to explore alterna- tives of financing needs that would take in both with or without grants . 9/18/73 Adj . Reg . Mtg . Joint City Council/Planning