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            "id": "p99.2",
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            "text": "F. NUISANCE WATER MANAGEMENT",
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            "text": "1. Nuisance Water Flow Generation",
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            "text": "The design generation rate for nuisance water in single family residential areas is 160 gal/household/day (2.454[p99.4.1] cfs) including a safety and longevity factor of 4.0. For calculations involving nuisance water, flows generated by applying this rate to the number of households upstream shall not be additive with offsite flows. Flow generated by subdrains, or from any other anticipated sources onsite shall be provided for.",
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                    "text": "⁻⁴",
                    "attrs": {
                        "latex": "^{-4}",
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                        "bbox_estimated": true,
                        "alt": "to the power of minus 4",
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            "text": "Nuisance water generation rates for multi-family, commercial and industrial areas will be determined on a case-by-case basis."
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            "text": "Nuisance water shall be intercepted and disposed of whenever design flow depth in the gutter exceeds 3/4 inch or 6.6 gpm, whichever is less. Flow depth shall be calculated using Manning's Equation with n=0.014. Nuisance water inlets shall be sited to provide maximum utility and to minimize flows to cross gutters and detention basins. Nuisance water generated on-site will not be allowed to flow offsite as surface flow. Near and Far side inlets may be combined to flow to a single drywell disposal device."
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            "text": "For infill developments, all parcels one (1) acre or larger in size will be responsible for mitigation of flow generated by such development."
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            "text": "2. Drywell Guidelines",
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            "text": "The City of Palmdale permits the use of drywells to dispose of nuisance water where such drywells have been designed and constructed according to the guidelines of this policy. Disposal capabilities of drywells shall not be considered in reducing the storage or detention volume necessary for detention, retention, or retarding basins."
        },
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            "text": "Toxic wastes will not be disposed of in nuisance water drywells. In some cases, separators or other treatment devices may be required by the City Engineer."
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            "type": "text",
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            "text": "V-20",
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